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science </a></li><li><a href="../19519/metals-and-icp-spectroscopy-1.html">Metals and ICP spectroscopy</a></li><li><a href="../19541/catalysts--1.html">Catalysts </a></li><li><a href="../19580/liquid-crystals-1.html">Liquid crystals</a></li><li><a href="../19665/polymers--1.html">Polymers  </a></li><li><a href="../19672/nanotechnology-1.html">Nanotechnology</a></li><li><a href="../19843/environmental-impact-plastics-1.html">Environmental impact - plastics</a></li><li><a href="../19858/superconducting-metals-x-ray-crystallography--1.html">Superconducting metals & X-ray crystallography </a></li><li><a href="../19666/condensation-polymers-1.html">Condensation polymers</a></li><li><a href="../19916/environmental-impact-heavy-metals-1.html">Environmental impact - heavy metals</a></li></ul></li><li><a href="../19284/option-b--1.html" class="father">Option B </a><ul class="level-2"><li><a href="../19290/introduction-to-biochemistry--1.html">Introduction to biochemistry  </a></li><li><a href="../19287/proteins-enzymes--1.html">Proteins & enzymes </a></li><li><a href="../19291/lipids-1.html">Lipids</a></li><li><a href="../19299/carbohydrates--1.html">Carbohydrates </a></li><li><a href="../19305/vitamins--1.html">Vitamins   </a></li><li><a href="../19313/biochemistry-the-environment--1.html">Biochemistry & the environment </a></li><li><a href="../19336/proteins-enzymes-ahl--1.html">Proteins & enzymes (AHL)   </a></li><li><a href="../19347/nucleic-acids--1.html">Nucleic acids   </a></li><li><a href="../19361/biological-pigments--1.html">Biological pigments   </a></li><li><a href="../19366/stereochemistry-in-biomolecules-1.html">Stereochemistry in biomolecules</a></li></ul></li><li><a href="../19390/option-c--1.html" class="father">Option C </a><ul class="level-2"><li><a href="../19391/energy-sources-1.html">Energy sources</a></li><li><a href="../19407/fossil-fuels-1.html">Fossil fuels</a></li><li><a href="../19411/nuclear-fusion-nuclear-fission-reactions-1.html">Nuclear fusion & nuclear fission reactions</a></li><li><a href="../19429/solar-energy-1.html">Solar energy</a></li><li><a href="../19437/environmental-impact-global-warming-1.html">Environmental impact - global warming</a></li><li><a href="../19453/electrochemistry-rechargeable-batteries-fuel-cells-1.html">Electrochemistry, rechargeable batteries & fuel cells</a></li><li><a href="../19458/nuclear-fusion-fission-hl--1.html">Nuclear fusion & fission (HL)    </a></li><li><a href="../19470/photovoltaic-cells-and-dsscs-1.html">Photovoltaic cells and DSSCs</a></li></ul></li><li><a href="../19078/option-d-1.html" class="father">Option D</a><ul class="level-2"><li><a href="../19079/pharmaceutical-products-drug-action--1.html">Pharmaceutical products & drug action </a></li><li><a href="../19158/aspirin-penicillin--1.html">Aspirin & penicillin  </a></li><li><a href="../19174/opiates-1.html">Opiates</a></li><li><a href="../19184/ph-regulation-of-the-stomach-1.html">pH regulation of the stomach</a></li><li><a href="../19194/antiviral-medications--1.html">Antiviral medications </a></li><li><a href="../19211/environmental-impact-of-some-medications-1.html">Environmental impact of some medications</a></li><li><a href="../19254/taxol-a-chiral-auxiliary-case-study-1.html">Taxol - a chiral auxiliary case study</a></li><li><a href="../19258/nuclear-medicine--1.html">Nuclear medicine  </a></li><li><a href="../19273/drug-detection-analysis--1.html">Drug detection & analysis </a></li></ul></li></ul></li><li><a href="../16592/practical-scheme-of-work-ia--1.html">Practical scheme of work & IA </a><ul class="level-1"><li><a href="../16682/internal-assessment-1.html" class="father">Internal Assessment</a><ul class="level-2"><li><a href="../18892/scaffolding-the-investigation-1.html">&#039;Scaffolding&#039; the investigation</a></li><li><a href="../18896/timing-organisation--1.html">Timing & organisation </a></li><li><a href="../18905/choosing-the-research-question-1.html">Choosing the research question</a></li><li><a href="../18946/personal-engagement-1.html">Personal engagement</a></li><li><a href="../18950/exploration-1.html">Exploration</a></li><li><a href="../18957/analysis-1.html">Analysis</a></li><li><a href="../18965/evaluation-1.html">Evaluation</a></li><li><a href="../18966/communication-1.html">Communication</a></li><li><a href="../19882/internal-standardization-of-the-ia-1.html">Internal standardization of the IA</a></li><li><a href="../19901/submitting-the-samples-for-moderation-2.html">Submitting the samples for moderation</a></li><li><a href="../33754/ten-suggestions-for-ias-using-secondary-data-1.html">Ten suggestions for IAs using secondary data</a></li><li><a href="../37544/gaining-full-marks-for-a-databased-ia--1.html">Gaining full marks for a databased IA </a></li><li><a href="../19506/ia-example-marking-exercise--1.html">IA example & marking exercise </a></li><li><a href="../23929/genuine-examples-of-moderated-ia-reports-1.html">Genuine examples of moderated IA reports</a></li><li><a href="../25234/examples-of-teacher-marked-ia-reports--1.html">Examples of teacher-marked IA reports </a></li><li><a href="../37542/history-of-internal-assessment-1.html">History of Internal Assessment</a></li></ul></li><li><a href="../16598/mandatory-laboratory-components-1.html" class="father">Mandatory laboratory components</a><ul class="level-2"><li><a href="../16613/formula-of-magnesium-oxide--1.html">Formula of magnesium oxide </a></li><li><a href="../16612/determining-the-mr-of-an-unknown-gas-1.html">Determining the <i>M</i><sub>r</sub> of an unknown gas</a></li><li><a href="../16615/acid-base-titrations--1.html">Acid-base titrations </a></li><li><a href="../16616/a-green-acid-base-practical-1.html">A green acid-base practical</a></li><li><a href="../16617/analysis-of-aspirin-tablets-1.html">Analysis of aspirin tablets</a></li><li><a href="../16618/caco3-in-egg-shells-1.html">CaCO<sub>3</sub> in egg shells</a></li><li><a href="../16644/enthalpy-changes-1.html">Enthalpy changes</a></li><li><a href="../16631/reaction-rates-1.html">Reaction rates</a></li><li><a href="../16635/rate-dependent-factors-1.html">Rate-dependent factors</a></li><li><a href="../16636/determining-ea-for-a-reaction-1.html">Determining <i>E</i><sub>a</sub> for a reaction</a></li><li><a href="../16637/iodination-of-propanone-1.html">Iodination of propanone</a></li><li><a href="../18144/titrations-with-a-ph-meter-1.html">Titrations with a pH meter</a></li><li><a href="../18355/redox-titration-with-kmno4--1.html">Redox titration with KMnO<sub>4</sub> </a></li><li><a href="../16640/voltaic-cells-1.html">Voltaic cells</a></li><li><a href="../16659/3-d-molecular-modelling--1.html">3-D molecular modelling </a></li></ul></li><li><a href="../17168/other-good-practicals-1.html" class="father">Other good practicals</a><ul class="level-2"><li><a href="../17196/common-chemical-reactions-1.html">Common chemical reactions</a></li><li><a href="../227/elements-oxides-of-the-third-period--1.html">Elements & oxides of the third period </a></li><li><a href="../17239/the-halogens-1.html">The halogens</a></li><li><a href="../17162/boiling-points-of-mixtures-1.html">Boiling points of mixtures</a></li><li><a href="../17170/polarity-of-molecules-1.html">Polarity of molecules</a></li><li><a href="../18083/le-chateliers-principle--1.html">Le Chatelier&#039;s principle </a></li><li><a href="../19582/determining-kc-for-an-esterification-reaction-1.html">Determining <i>K</i><sub>c</sub> for an esterification reaction</a></li><li><a href="../18164/redox-reactions-of-vanadium--1.html">Redox reactions of vanadium </a></li><li><a href="../18351/chlorine-in-swimming-pools--1.html">Chlorine in swimming pools </a></li><li><a href="../18178/analysis-of-cuii-ions-in-solution--1.html">Analysis of Cu(II) ions in solution </a></li><li><a href="../18179/percentage-of-copper-in-brass-1.html">Percentage of copper in brass</a></li><li><a href="../18356/electrolytic-cells--1.html">Electrolytic cells </a></li><li><a href="../18598/reactions-of-organic-compounds-1.html">Reactions of organic compounds</a></li><li><a href="../18752/hydrolysis-of-halogenoalkanes-1.html">Hydrolysis of halogenoalkanes</a></li><li><a href="../18784/preparation-of-13-dinitrobenzene--1.html">Preparation of 1,3-dinitrobenzene </a></li><li><a href="../19022/determination-of-an-organic-structure-1.html">Determination of an organic structure</a></li><li><a href="../19887/preparation-of-nylon-66-1.html">Preparation of nylon 6,6</a></li><li><a href="../19343/determination-of-vitamin-c-content--1.html">Determination of vitamin C content </a></li><li><a href="../19342/hydrolysis-of-starch--1.html">Hydrolysis of starch </a></li><li><a href="../19159/preparation-purification-of-aspirin--1.html">Preparation & purification of aspirin </a></li></ul></li><li><a href="../18851/ict-in-practical-work-1.html" class="father">ICT in practical work</a><ul class="level-2"><li><a href="../18852/data-logging--1.html">Data logging </a></li><li><a href="../18853/software-for-graph-plotting--1.html">Software for graph plotting </a></li><li><a href="../18854/spreadsheets-for-data-processing--1.html">Spreadsheets for data processing </a></li><li><a href="../18855/databases-1.html">Databases</a></li><li><a href="../18856/computer-modelling-simulations--1.html">Computer modelling & simulations </a></li></ul></li><li><a href="../16594/group-4-project-1.html" class="father">Group 4 Project</a><ul class="level-2"><li><a href="../16595/practicalities-1.html">Practicalities</a></li><li><a href="../16596/reflective-statement--2.html">Reflective statement </a></li></ul></li><li><a href="../16666/a-new-laboratory-1.html">A new laboratory?</a></li></ul></li><li><a href="../16284/exams-1.html">Exams</a><ul class="level-1"><li><a href="../16286/essential-facts-1.html" class="father">Essential Facts</a><ul class="level-2"><li><a href="../16287/objectives-command-terms-1.html">Objectives & command terms</a></li><li><a href="../16288/grade-descriptors-1.html">Grade descriptors</a></li><li><a href="../16289/grade-boundaries-1.html">Grade boundaries</a></li></ul></li><li><a href="../16302/paper-1-multiple-choice-1.html" class="father">Paper 1 (Multiple Choice)</a><ul class="level-2"><li><a href="../16303/advice-to-students-paper-1-1.html">Advice to students (Paper 1)</a></li><li><a href="../31515/practice-paper-1-exams-1.html">Practice Paper 1 exams</a></li></ul></li><li><a href="../16305/paper-2-1.html" class="father">Paper 2</a><ul class="level-2"><li><a href="../16306/advice-to-students-paper-2-1.html">Advice to students (Paper 2)</a></li><li><a href="../16307/areas-of-difficulty-1.html">Areas of difficulty</a></li></ul></li><li><a href="../16313/paper-3--1.html" class="father">Paper 3 </a><ul class="level-2"><li><a href="../16314/advice-to-students-paper-3-1.html">Advice to students (Paper 3)</a></li><li><a href="../16342/data-response-questions-1.html">Data response questions</a></li><li><a href="../20054/experimental-work-questions-1.html">Experimental work questions</a></li></ul></li><li><a href="../16324/the-examination-process-1.html" class="father">The examination process</a><ul class="level-2"><li><a href="../16316/setting-the-exam-papers-1.html">Setting the exam papers</a></li><li><a href="../16317/predicted-grades-1.html">Predicted grades</a></li><li><a href="../16318/marking-the-papers-1.html">Marking the papers</a></li><li><a href="../16319/commenting-on-the-exams-1.html">Commenting on the exams</a></li><li><a href="../16320/grade-awarding-1.html">Grade Awarding</a></li><li><a href="../16321/enquiry-upon-results-1.html">Enquiry upon results</a></li><li><a href="../16322/chief-examiners-report-1.html">Chief Examiner&#039;s report</a></li><li><a href="../16323/retaking-the-exam-1.html">Retaking the exam</a></li></ul></li><li><a href="../16325/faqs-1.html">FAQs</a></li></ul></li><li><a href="../3147/ib-core-1.html">IB Core</a><ul class="level-1"><li><a href="../3149/learner-profile-1.html">Learner Profile</a></li><li><a href="../21735/extended-essays--1.html" class="father">Extended Essays </a><ul class="level-2"><li><a href="../21736/overview--1.html">Overview </a></li><li><a href="../21780/responsibilities-1.html">Responsibilities</a></li><li><a href="../21790/resources-1.html">Resources</a></li><li><a href="../21800/research-1.html">Research</a></li><li><a href="../21804/writing-the-essay-1.html">Writing the essay</a></li><li><a href="../21810/assessment-1.html">Assessment</a></li><li><a href="../22434/summary-of-advice--1.html">Summary of advice </a></li><li><a href="../25272/faqs--1.html">FAQs </a></li></ul></li><li><a href="../307/theory-of-knowledge-tok-1.html" class="father">Theory of Knowledge (TOK)</a><ul class="level-2"><li><a href="../41171/the-12-tok-concepts-1.html">The 12 TOK concepts</a></li><li><a href="../3507/why-tok-chemistry-1.html">Why TOK & Chemistry?</a></li><li><a href="../3505/a-modern-paradigm-1.html">A modern paradigm</a></li></ul></li></ul></li><li><a href="../17783/fast-track-to-tests-questions-1.html">Fast track to tests & questions</a><ul class="level-1"><li><a href="../17784/sl-multiple-choice-tests-on-individual-topics-1.html">SL Multiple choice tests on individual topics</a></li><li><a href="../24351/sl-multiple-choice-quizzes-on-sub-topics-1.html">SL Multiple choice &#039;quizzes&#039; on sub-topics</a></li><li><a href="../31519/sl-practice-paper-1-exams-1.html">SL Practice Paper 1 exams</a></li><li><a href="../17786/sl-questions-on-each-sub-topic-1.html">SL Questions on each sub-topic</a></li><li><a href="../20431/sl-paper-3-section-a-questions-1.html">SL Paper 3 Section A questions</a></li><li><a href="../17792/sl-questions-on-the-options-1.html">SL Questions on the options</a></li><li><a href="../24897/sl-quizzes-on-option-sub-topics--1.html">SL Quizzes on option sub-topics </a></li><li><a href="../17785/hl-multiple-choice-tests-on-individual-topics-1.html">HL Multiple choice tests on individual topics</a></li><li><a href="../24352/hl-multiple-choice-quizzes-on-sub-topics-1.html">HL Multiple choice &#039;quizzes&#039; on sub-topics</a></li><li><a href="../31520/hl-practice-paper-1-exams--1.html">HL Practice Paper 1 exams </a></li><li><a href="../17787/hl-questions-on-each-sub-topic--1.html">HL Questions on each sub-topic </a></li><li><a href="../20428/hl-paper-3-section-a-questions-1.html">HL Paper 3 Section A questions</a></li><li><a href="../17793/hl-questions-on-the-options-1.html">HL Questions on the options</a></li><li><a href="../24973/hl-quizzes-on-option-sub-topics-1.html">HL Quizzes on option sub-topics</a></li><li><a href="../41573/printable-versions-of-written-tasks--1.html">Printable versions of written tasks </a></li></ul></li><li><a 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title="MC test: Theories of acids & bases">MC test: Theories of acids & bases</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40963/theories-of-acids-bases-questions-1.html" title="Theories of acids & bases questions">Theories of acids & bases questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18126/properties-of-acids-bases-1.html" title="Properties of acids & bases">Properties of acids & bases</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24663/mc-test-properties-of-acids-bases--1.html" title="MC test: Properties of acids & bases ">MC test: Properties of acids & bases </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40964/properties-of-acids-bases-questions-1.html" title="Properties of acids & bases questions">Properties of acids & bases questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18140/ph-scale-1.html" title="pH scale">pH scale</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24668/mc-test-the-ph-scale-1.html" title="MC test: The pH scale">MC test: The pH scale</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40971/ph-scale-questions-1.html" title="pH scale questions">pH scale questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18152/strong-weak-acids-bases-1.html" title="Strong & weak acids & bases">Strong & weak acids & bases</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24670/mc-test-strong-weak-acids-bases-1.html" title="MC test: Strong & weak acids & bases">MC test: Strong & weak acids & bases</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40972/strong-weak-acid-bases-questions-1.html" title="Strong & weak acid & bases questions">Strong & weak acid & bases questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18156/acid-deposition-1.html" title="Acid deposition">Acid deposition</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24674/mc-test-acid-deposition-1.html" title="MC test: Acid deposition">MC test: Acid deposition</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40983/acid-deposition-questions-1.html" title="Acid deposition questions">Acid deposition questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18160/lewis-acids-bases-1.html" title="Lewis acids & bases">Lewis acids & bases</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24710/mc-test-lewis-acids-bases-1.html" title="MC test: Lewis acids & bases">MC test: Lewis acids & bases</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40986/lewis-acids-bases-questions-1.html" title="Lewis acids & bases questions">Lewis acids & bases questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18250/acid-base-calculations-1.html" title="Acid base calculations">Acid base calculations</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24714/mc-test-calculations-involving-acids-bases--1.html" title="MC test: Calculations involving acids & bases ">MC test: Calculations involving acids & bases </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../40988/acid-base-calculations-questions--1.html" title="Acid-base calculations questions ">Acid-base calculations questions </a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../26161/ph-titration-curves-1.html" title="pH titration curves">pH titration curves</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../26158/mc-test-ph-curves-1.html" title="MC test: pH curves">MC test: pH curves</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41000/ph-curves-questions--1.html" title="pH curves questions ">pH curves questions </a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a href="../18350/topics-9-19-1.html" title="Topics 9 & 19">Topics 9 & 19</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18365/oxidation-reduction-1.html" title="Oxidation & reduction">Oxidation & reduction</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24725/mc-test-oxidation-reduction-1.html" title="MC test: Oxidation & reduction">MC test: Oxidation & reduction</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41033/oxidation-reduction-questions-1--1.html" title="Oxidation & reduction questions (1) ">Oxidation & reduction questions (1) </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41034/oxidation-reduction-questions-2-1.html" title="Oxidation & reduction questions (2)">Oxidation & reduction questions (2)</a></li><li class="" style="padding-left: 42px"><i class="expander 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title="Electrochemical cells (AHL) ">Electrochemical cells (AHL) </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24742/mc-test-electrochemical-cells-ahl-1.html" title="MC test: Electrochemical cells (AHL)">MC test: Electrochemical cells (AHL)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41098/electrochemical-cells-1-ahl-questions-1.html" title="Electrochemical cells (1) (AHL) questions">Electrochemical cells (1) (AHL) questions</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41099/electrochemical-cells-2-ahl-questions-1.html" title="Electrochemical cells (2) (AHL) questions">Electrochemical cells (2) (AHL) questions</a></li></ul></ul><li class="ancestor parent" style="padding-left: 14px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a href="../18475/topics-10-20--1.html" title="Topics 10 & 20 ">Topics 10 & 20 </a></li><ul class="level-2 expanded"><li class="current parent" style="padding-left: 28px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a href="fundamentals-of-organic-chemistry--1.html" title="Fundamentals of organic chemistry ">Fundamentals of organic chemistry </a></li><ul class="level-3 expanded"><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24749/mc-test-fundamentals-of-organic-chemistry-1.html" title="MC test: Fundamentals of organic chemistry">MC test: Fundamentals of organic chemistry</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41111/fundamentals-of-organic-chemistry-1-questions-1.html" title="Fundamentals of organic chemistry (1) questions">Fundamentals of organic chemistry (1) questions</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41112/fundamentals-of-organic-chemistry-2-questions-1.html" title="Fundamentals of organic chemistry (2) questions">Fundamentals of organic chemistry (2) questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18597/alkanes-alkenes-addition-polymers-1.html" title="Alkanes, alkenes & addition polymers">Alkanes, alkenes & addition polymers</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24750/mc-test-alkanes-alkenes-addition-polymers-1.html" title="MC test: Alkanes, alkenes & addition polymers">MC test: Alkanes, alkenes & addition polymers</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41121/alkanes-questions-1.html" title="Alkanes questions">Alkanes questions</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41124/alkenes-questions-1.html" title="Alkenes questions">Alkenes questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18741/alcohols--1.html" title="Alcohols ">Alcohols </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24772/mc-test-alcohols-1.html" title="MC test: Alcohols">MC test: Alcohols</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41125/alcohols-questions-1.html" title="Alcohols questions">Alcohols questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18742/halogenoalkanes-benzene--1.html" title="Halogenoalkanes & benzene ">Halogenoalkanes & benzene </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24797/mc-test-halogenoalkanes-benzene-1.html" title="MC test: Halogenoalkanes & benzene">MC test: Halogenoalkanes & benzene</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41130/halogenoalkanes-benzene-questions-1.html" title="Halogenoalkanes & benzene questions">Halogenoalkanes & benzene questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18762/nucleophilic-substitution--1.html" title="Nucleophilic substitution ">Nucleophilic substitution </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24757/mc-test-nucleophilic-substitution-1.html" title="MC test: Nucleophilic substitution">MC test: Nucleophilic substitution</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41138/nucleophilic-substitution-questions-1.html" title="Nucleophilic substitution questions">Nucleophilic substitution questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18766/electrophilic-addition--1.html" title="Electrophilic addition ">Electrophilic addition </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24805/mc-test-electrophilic-addition-electrophilic-substitution-reacti-2.html" title="MC test: Electrophilic addition & electrophilic substitution reactions">MC test: Electrophilic addition & electrophilic substitution reactions</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41148/electrophilic-addition-questions-1.html" title="Electrophilic addition questions">Electrophilic addition questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18780/electrophilic-substitution--2.html" title="Electrophilic substitution ">Electrophilic substitution </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41149/electrophilic-substitution-questions-1.html" title="Electrophilic substitution questions">Electrophilic substitution questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18793/reduction-reactions--1.html" title="Reduction reactions ">Reduction reactions </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24811/mc-test-reduction-reactions-1.html" title="MC test: Reduction reactions">MC test: Reduction reactions</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41150/reduction-reactions-questions-1.html" title="Reduction reactions questions">Reduction reactions questions</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18797/synthetic-routes--1.html" title="Synthetic routes ">Synthetic routes </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24822/mc-test-synthetic-routes-1.html" title="MC test: Synthetic routes">MC test: Synthetic routes</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41152/synthetic-routes-questions--1.html" title="Synthetic routes questions ">Synthetic routes questions </a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18844/stereoisomerism--1.html" title="Stereoisomerism  ">Stereoisomerism  </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24817/mc-test-stereoisomerism-1.html" title="MC test: Stereoisomerism">MC test: Stereoisomerism</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../41166/stereoisomerism-questions-1.html" title="Stereoisomerism questions">Stereoisomerism questions</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a href="../17285/topics-11-21--1.html" title="Topics 11 & 21 ">Topics 11 & 21 </a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../17276/uncertainty-errors--1.html" title="Uncertainty & errors ">Uncertainty & errors </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24818/mc-test-uncertainties-errors-1.html" title="MC test: Uncertainties & errors">MC test: Uncertainties & errors</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../38869/uncertainty-error-questions--1.html" title="Uncertainty & error questions ">Uncertainty & error questions </a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../15014/graphical-techniques-1.html" title="Graphical techniques">Graphical techniques</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24819/mc-test-graphical-techniques-1.html" title="MC test: Graphical techniques">MC test: Graphical techniques</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39387/graphical-techniques-questions--1.html" title="Graphical techniques questions ">Graphical techniques questions </a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../18968/spectroscopic-identification-of-organic-compounds-1.html" title="Spectroscopic identification of organic compounds">Spectroscopic identification of organic compounds</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24820/mc-test-spectroscopic-identification-of-organic-compounds--1.html" title="MC test: Spectroscopic identification of organic compounds ">MC test: Spectroscopic identification of organic compounds </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39388/index-of-hydrogen-deficiency-questions-1.html" title="Index of hydrogen deficiency questions">Index of hydrogen deficiency questions</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39351/identification-from-spectra-question-1-1.html" title="Identification from spectra - Question 1">Identification from spectra - Question 1</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39353/identification-from-spectra-question-2-1.html" title="Identification from spectra - Question 2">Identification from spectra - Question 2</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39354/identification-from-spectra-question-3-1.html" title="Identification from spectra - Question 3">Identification from spectra - Question 3</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39355/identification-from-spectra-question-4-1.html" title="Identification from spectra - Question 4">Identification from spectra - Question 4</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39356/identification-from-spectra-question-5-1.html" title="Identification from spectra - Question 5">Identification from spectra - Question 5</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39357/identification-from-spectra-question-6-1.html" title="Identification from spectra - Question 6">Identification from spectra - Question 6</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39358/identification-from-spectra-question-7-1.html" title="Identification from spectra - Question 7">Identification from spectra - Question 7</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39359/identification-from-spectra-question-8-1.html" title="Identification from spectra - Question 8">Identification from spectra - Question 8</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39360/identification-from-spectra-question-9-1.html" title="Identification from spectra - Question 9">Identification from spectra - Question 9</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39361/identification-from-spectra-question-10-1.html" title="Identification from spectra - Question 10">Identification from spectra - Question 10</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../19027/spectroscopic-identification-of-organic-compounds-ahl--1.html" title="Spectroscopic identification of organic compounds (AHL) ">Spectroscopic identification of organic compounds (AHL) </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../24821/mc-test-spectroscopic-identification-of-organic-compounds-ahl-1.html" title="MC test: Spectroscopic identification of organic compounds (AHL)">MC test: Spectroscopic identification of organic compounds (AHL)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39375/identification-from-spectra-question-11-1.html" title="Identification from spectra - Question 11">Identification from spectra - Question 11</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39376/identification-from-spectra-question-12-1.html" title="Identification from spectra - Question 12">Identification from spectra - Question 12</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39377/identification-from-spectra-question-13-1.html" title="Identification from spectra - Question 13">Identification from spectra - Question 13</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39378/identification-from-spectra-question-14-1.html" title="Identification from spectra - Question 14">Identification from spectra - Question 14</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39379/identification-from-spectra-question-15-1.html" title="Identification from spectra - Question 15">Identification from spectra - Question 15</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39380/identification-from-spectra-question-16-1.html" title="Identification from spectra - Question 16">Identification from spectra - Question 16</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39381/identification-from-spectra-question-17-1.html" title="Identification from spectra - Question 17">Identification from spectra - Question 17</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39382/identification-from-spectra-question-18-1.html" title="Identification from spectra - Question 18">Identification from spectra - Question 18</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a href="../39383/identification-from-spectra-question-19-1.html" title="Identification from spectra - 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Stoichiometric relationships (1) ">1. Stoichiometric relationships (1) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16904/1-stoichiometric-relationships-2--1.html" title="1. Stoichiometric relationships (2) ">1. Stoichiometric relationships (2) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16710/2-atomic-structure-1.html" title="2. Atomic structure">2. Atomic structure</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16738/3-periodicity-1.html" title="3. Periodicity">3. Periodicity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16822/4-chemical-bonding-structure-1-1.html" title="4. Chemical bonding & structure (1)">4. 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Acids and bases</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../17416/9-redox-processes-1.html" title="9. Redox processes">9. Redox processes</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../17411/10-organic-chemistry-1--1.html" title="10. Organic chemistry (1) ">10. Organic chemistry (1) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../17412/10-organic-chemistry-2--1.html" title="10. Organic chemistry (2) ">10. Organic chemistry (2) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../17286/11-measurement-data-processing-1--1.html" title="11. Measurement & data processing (1) ">11. Measurement & data processing (1) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../17287/11-measurement-data-processing-2-1.html" title="11. Measurement & data processing (2)">11. Measurement & data processing (2)</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a href="../16688/hl-questions-by-topic-1.html" title="HL Questions by topic">HL Questions by topic</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16709/1-stoichiometric-relationships-1-1.html" title="1. Stoichiometric relationships (1)">1. Stoichiometric relationships (1)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16735/1-stoichiometric-relationships-2-1.html" title="1. Stoichiometric relationships (2)">1. Stoichiometric relationships (2)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../37016/2-12-atomic-structure-1-1.html" title="2 &12. Atomic structure (1)">2 &12. Atomic structure (1)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16721/2-12-atomic-structure-2-1.html" title="2 &12. Atomic structure (2)">2 &12. Atomic structure (2)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16815/3-13-periodicity-transition-metals-1--1.html" title="3 & 13. Periodicity & transition metals (1) ">3 & 13. Periodicity & transition metals (1) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16816/3-13-periodicity-transition-metals-2--1.html" title="3 & 13. Periodicity & transition metals (2) ">3 & 13. Periodicity & transition metals (2) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16861/4-14-chemical-bonding-structure-1-1.html" title="4 & 14. Chemical bonding & structure (1)">4 & 14. Chemical bonding & structure (1)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16862/4-14-chemical-bonding-structure-2-1.html" title="4 & 14. Chemical bonding & structure (2)">4 & 14. Chemical bonding & structure (2)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16894/5-15-energetics-thermochemistry-1--1.html" title="5 & 15. Energetics & thermochemistry (1) ">5 & 15. Energetics & thermochemistry (1) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a href="../16893/5-15-energetics-thermochemistry-2--1.html" title="5 & 15. Energetics & thermochemistry (2) ">5 & 15. 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</div><section id="main-content"><div id="toc-1672972931" class="toc"><a href="#" class="toc-switcher" title="Show table of contents"><small><i class="fa fa-reorder"></i> Table of contents <span class="pull-right"><i class="fa fa-chevron-down"></i></span></small></a></div><h1><img class="ico" src="../../../img/icons/standard-1.png"> <img class="ico" src="../../../img/icons/higher-1.png"> 10.1 Fundamentals of organic chemistry (4.5 hours)</h1><div class="pinkBg"><div><h2>Pause for thought</h2><p>&lsquo;Fundamentals of organic chemistry&#39; is rather a strange name for this first sub-topic. There are no explanations given as to why organic chemistry is important or why more compounds of carbon are known than the sum of all the compounds of all the other elements present in the periodic table. There is also no explanation as to why the chemistry of carbon is called &lsquo;organic&rsquo; chemistry. Essentially this sub-topic lists several classes of compounds and students are required to understand the difference between &#39;class&#39; and &#39;functional group&#39; and be able to relate properties such as boiling points to members of each class. The classes specified are alkanes, alkenes, alkynes, halogenoalkanes, alcohols, ethers, aldehydes, ketones, esters, carboxylic acids, amines, amides, nitriles and arenes. They are also expected to be able to deduce and/or recognise the names and structures for compounds containing up to six carbon atoms in these classes and to make 3-D models of these compounds. They should also understand the terms <em>homologous series</em> and <em>structural isomers</em> and know the difference between <em>saturated</em> and <em>unsaturated </em>and be able to discuss the evidence for the structure of benzene.</p><p>Naming organic compounds can cause some problems even when the compounds are relatively simple. Generally the IB follows the preferred IUPAC naming system. So that CH<sub>3</sub>CH(OH)CH<sub>3</sub> is called propan-2-ol by the IB when referred to in the syllabus or in examination questions although 2-propanol or isopropyl alcohol are both perfectly acceptable alternative names and would be accepted by the IB in a student&#39;s answer to a question (although isopropyl alcohol would not be accepted if the questions asked specifically for the IUPAC name).</p><p>Students should be familiar with the various ways of representing organic molecules. These include full structural formulas showing the bonds between all the atoms and condensed structural formulas. They should also be able to use and interpret the various different ways of modelling molecules, including ball and stick and space-filling models. To exemplify this, the following are some of the different ways of representing propan-2-ol. Note that the last two are skeletal or part-skeletal structures and these should also be known by students for the IB. Because a line represents two carbon atoms in a skeletal structure students must show all the hydrogen atoms when they are giving the full structural formula of a compound.</p><p style="text-align: center;"><img alt="" class="noborder" height="480" src="../../../ib/chemistry/images/Core and AHL/Organic/propan-2-ol(nine ways).png" title="Some of the different ways of representing propan-2-ol" width="620"></p><hr class="hidden"></div></div><hr class="hidden"><div class="box"><h2>Nature of Science</h2><p>Organic chemistry contains many examples of serendipity in the discovery of compounds and their uses, e.g. penicillin, teflon and superglue.<br>Organic chemistry also provides many instances where ethical implications are important. For example, drugs, pesticides and additives can all have positive and negative effects on humans, other animal species and the environment.</p><hr class="hidden"></div><hr class="hidden"><div class="box"><table align="left" border="0" cellpadding="10" cellspacing="0" height="376" width="654"><tbody><tr><td style="width: 50%;" valign="top"><h3><b><span style="font-weight: normal; "></span></b></h3><div class="yellowBg"><div><h2><b><span style="font-weight: normal; "><strong>Learning outcomes</strong></span></b></h2><p><span style="font-weight: normal; ">After studying this topic students should be able to:</span></p><p><b><span style="font-weight: normal; "><strong>Understand</strong></span></b></p><ul><li>A series of compounds of the same class that have the same general formula, but differ from each other by a common structural unit, is known as an homologous series.</li><li>Either the full or the condensed format can be used to represent structural formulas.</li><li>Compounds with the same molecular formula but with a different arrangement of atoms are known as structural isomers.</li><li>A functional groups is the reactive part of a molecule.</li><li>Saturated compounds only contain single bonds. Unsaturated compounds contain double and/or triple bonds.</li><li>Benzene is an aromatic, unsaturated hydrocarbon represented by <img alt="" class="noborder" height="28" src="../../../ib/chemistry/images/Core and AHL/Organic/benzene.jpg" width="25"> .</li></ul><p><strong>Apply their knowledge to:</strong></p><ul><li>Explain the trends in the boiling points of members of a homologous series.</li><li>Distinguish between empirical, molecular and structural formulas.</li><li>Identify the following different classes: alkanes, alkenes, alkynes, halogenoalkanes, alcohols, ethers, aldehydes, ketones, esters, carboxylic acids, amines, amides, nitriles and arenes.</li><li>Identify typical functional groups in molecules e.g. phenyl, hydroxyl, carbonyl, carboxyl, carboxamide, aldehyde, ester, ether, amine, nitrile, alkyl, alkenyl and alkynyl.</li><li>Construct real or virtual 3-D models of organic molecules.</li><li>Apply the IUPAC rules to name straight-chain and branched-chain isomers.</li><li>Identify primary, secondary and tertiary carbon atoms in halogenoalkanes and alcohols and primary, secondary and tertiary nitrogen atoms in amines.</li><li>Use physical and chemical evidence to discuss the structure of benzene.</li></ul></div></div></td><td style="width: 50%;" valign="top"><h4><b><span style="font-weight: normal;"></span></b></h4><div class="yellowBg"><div><h4><b><span style="font-weight: normal;"><strong>Clarification notes</strong></span></b></h4><p>Students should know that skeletal formulas can be used to represent organic molecules.</p><hr class="hidden"><p>Students should know the general formulas of alkanes, alkenes, alkynes, ketones, alcohols, aldehydes and carboxylic acids . For example, the general formula of saturated alcohols is C<sub>n</sub>H<sub>(2n+1)</sub>OH.</p><hr class="hidden"><p>Student should be able to distinguish between class names and functional group names. For example, for compounds containing the -OH group, alcohol is the class<br>name whereas hydroxyl is the functional group name.</p><hr class="hidden"><p>The following nomenclature should be covered:<br>&ndash; non-cyclic alkanes and halogenoalkanes containing up to<br>six carbon atoms.<br>&ndash; alkenes up to hexene and alkynes up to hexyne.<br>&ndash; compounds up to six carbon atoms (in the basic chain for<br>nomenclature purposes) containing only one of the<br>following functional groups:<br>&ndash; hydroxyl, ether, aldehyde, halogenoalkane, carbonyl, ester and carboxyl.</p><hr class="hidden"><h4><strong>International-mindedness</strong></h4><p>Global policies and economic development are often shaped by supply and demand. This is especially evident with the world&#39;s reserves of oil as relatively few countries have control over its extraction and supply.</p><hr class="hidden"><p>The performance of the fuel used in cars and aircraft is measured by its octane number or octane rating. Octane ratings can differ quite widely from country to country. This is further complicated by the fact that different countries use different ways to express the values.</p></div></div></td></tr></tbody></table></div><hr class="hidden"><div class="box"><table align="left" border="0" cellpadding="10" cellspacing="0"><tbody><tr><td style="width: 50%;" valign="top"><h2><span style=""><b><span style="font-weight: normal;"><strong>Teaching tips</strong></span></b></span></h2><p><span style=""><span style="font-weight: normal;">After an initial lesson on why organic chemistry is so special</span></span> I launch into this by looking at the alkanes. They can be used to exemplify an homologous series and also their IUPAC names follow a logical sequence once you reach C<sub>5</sub>. I get students to draw the Lewis structures and also make models as we go down the series. They can see that butane has two isomers and this can be used to begin to show the numbering system so that isobutane becomes 2-methylpropane. By giving the boiling points students can see that the rate of increase in boiling point decreases as each -CH<sub>2</sub> is added as the percentage increase in mass becomes less each time. Alkanes are obviously not miscible with water as they are non-polar.</p><p>By assuming an alkane is R-H students can see that R is an organic radical and the -H can be replaced by different functional groups such as -OH, -CHO, -Cl etc. Students should then begin to understand how to name compounds systematically and you can give them example of structures they have to name and compounds they have to draw from the name. Solubility is not specifically mentioned in this sub-topic but whether they are soluble in water or not depends on the polarity of the R group. -OH, -NH<sub>2</sub> and -COOH can form hydrogen bonds with water molecules and -COR and -CHO are polar and so can form dipole-dipole interactions with water.</p><p>By making their own models students can see that there must be free rotation around a carbon atom that has four other atoms bonded to it. This should help them work out the structural isomers of pentane and hexane and not be fooled by diagrams of normal hexane for example showing 90<sup>o</sup> angles, i.e.</p><p><img alt="" class="noborder" height="85" src="../../../ib/chemistry/images/Core and AHL/Organic/Hexane structures.jpg" width="314"></p><p>are both structural representations of the same molecule.</p><p>Note that the IB emphasises the difference between the class of compounds and functional group. In the past &#39;alcohol&#39; was accepted as the functional group name for -OH. This is no longer the case. -OH is the hydroxyl functional group and compounds containing the -OH group are known as alcohols.<br>Use alcohols and amines to stress the difference between primary, secondary and tertiary carbon and nitrogen atoms.</p><p>You can use the data book to extend the examples for classes of compounds, functional groups and whether compounds are primary, secondary or tertiary (see <a href="../17376/classes-of-compounds-functional-groups--1.html" title="New 2014 programme (First exams 2016) » Basic information » Resources » Novel uses for the IB data booklet » Classes of compounds &amp; functional groups ">Classes of compounds &amp; functional groups </a> under <a href="../17348/novel-uses-for-the-ib-data-booklet--1.html" title="New 2014 programme (First exams 2016) » Basic information » Resources » Novel uses for the IB data booklet ">Novel uses for the IB data booklet). </a></p><hr class="hidden"></td><td style="width: 50%;" valign="top"><h4><b><span style="font-weight: normal; "><strong>Study guide</strong></span></b></h4><p style="margin: 0px 0px 1em; padding: 0px; color: rgb(0, 0, 0); font-size: 1em;"><b><span style="font-weight: normal;"><img alt="" class="left noborder" src="../../../ib/chemistry/images/2014%20Basic%20information/New%20cover.jpg" style="width: 67px; height: 96px;"></span></b></p><p style="margin: 0px 0px 1em; padding: 0px; color: rgb(0, 0, 0); font-size: 1em;"></p><p style="margin: 0px 0px 1em; padding: 0px; color: rgb(0, 0, 0); font-size: 1em;"></p><hr class="hidden"><p style="margin: 0px 0px 1em; padding: 0px; color: rgb(0, 0, 0); font-size: 1em;"><b><span style="font-weight: normal;">Page </span></b><span style="font-weight: normal;">79 - 83</span></p><hr class="hidden"><h2>Questions</h2><p>For ten &#39;quiz&#39; multiple choice questions with the answers explained see <a href="../24749/mc-test-fundamentals-of-organic-chemistry-1.html" title="Core &amp; AHL » Teaching each topic &amp; sub-topic » Topics 10 &amp; 20 » Fundamentals of organic chemistry » MC test: Fundamentals of organic chemistry">MC test: Fundamentals of organic chemistry</a>.</p><p style="margin: 0px 0px 1em; padding: 0px; color: rgb(0, 0, 0); font-size: 1em;">For short-answer questions which can be set as an assignment for a test, homework or given for self study together with model answers see <a href="../41111/fundamentals-of-organic-chemistry-1-questions-1.html" title="Core &amp; AHL » Teaching each topic &amp; sub-topic » Topics 10 &amp; 20 » Fundamentals of organic chemistry » Fundamentals of organic chemistry (1) questions">Fundamentals of organic chemistry (1) questions</a> and <a href="../41112/fundamentals-of-organic-chemistry-2-questions-1.html" title="Core &amp; AHL » Teaching each topic &amp; sub-topic » Topics 10 &amp; 20 » Fundamentals of organic chemistry » Fundamentals of organic chemistry (2) questions">Fundamentals of organic chemistry (2) questions</a>.</p><hr class="hidden"><h4><span style=""><b><span style="font-weight: normal;"><strong>Vocabulary list</strong></span></b></span></h4><p><span style=""><span style="font-weight: normal;">IUPAC<br>homologous series<br>structural isomer<br>skeletal formula<br>alkane, alkene, alkyne, alcohol, ether<br>aldehyde, ketone, carboxylic acid<br>halogenoalkane, amine, ester, nitrile, arene.<br>hydroxyl, carboxyl</span></span><br><span style=""><span style="font-weight: normal;">cyclic and non-cyclic</span></span><br>primary, secondary, tertiary</p><hr class="hidden"><h4><br><span style="color: rgb(0, 51, 102); font-family: 'Arial Narrow', Arial, Helvetica, sans-serif; font-size: 17px; font-weight: bold; "><b><span style="font-weight: normal;"><strong>TOK, &#39;Aim 8&#39; &amp; the International Dimension:</strong></span></b></span></h4><p>See <a href="../18420/topics-10-20-1.html" title="New 2014 programme (First exams 2016) » Core &amp; AHL » Incorporating IM, TOK, 'Utilization' etc. » Topics 10 &amp; 20">separate page</a> which covers all of Topic 10.</p><h2><br><b><span style="font-weight: normal; "><strong>Practical work</strong></span></b></h2><p><a href="../16659/3-d-modelling-of-organic-compounds.html"><b><span style="font-weight: normal; "><strong><img class="ico" src="../../../img/icons/lab-1.png"> </strong></span></b> 3-D modelling of organic compounds</a>. This practical covers the mandatory laboratory component for this topic.</p></td></tr></tbody></table></div><hr class="hidden"><div class="greenBg"><h2 id="header-13">Teaching slides</h2><p>Teachers may wish to share these slides with students for learning or for reviewing key concepts.</p><div id="myCarousel-14" class="carousel slide" data-id="312"><!-- Carousel items --><div class="carousel-inner"><div class="active item"><a class="fancy" href="../../../tib-galleries/3-312/1011.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1011.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1012.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1012.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1013.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1013.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1014.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1014.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1015.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1015.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1016.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1016.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1017.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1017.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1018.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1018.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/1019.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/1019.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10110.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10110.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10111.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10111.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="/files/tib-galleries/3-312/new-slide-12-.png" rel="gallery-312" title=""><img alt="" src="/files/tib-galleries/3-312/new-slide-12-.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10113.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10113.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10114.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10114.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10115.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10115.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10116.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10116.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10117.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10117.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div><div class="item"><a class="fancy" href="../../../tib-galleries/3-312/10118.png" rel="gallery-312" title=""><img alt="" src="files/tib-galleries/3-312/10118.png"></a><div class="carousel-caption"><p>Fundamentals of organic chemistry: </p></div></div></div><!-- Carousel nav --><a class="carousel-control left" href="#myCarousel-14" data-slide="prev">&lsaquo;</a><a class="carousel-control right" href="#myCarousel-14" data-slide="next">&rsaquo;</a><div class="tib-indicators"><img class="" title="Click to view" style="margin: 10px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1011-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1012-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1013-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1014-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1015-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1016-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1017-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1018-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/1019-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10110-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10111-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="/files/tib-galleries/3-312/new-slide-12--thumb128.png"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10113-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10114-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10115-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10116-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10117-thumb128.jpg"><img class="" title="Click to view" style="margin: 5px 4px; width: 48px; height: 48px;" alt="" src="files/tib-galleries/3-312/10118-thumb128.jpg"></div></div><p>&nbsp;&nbsp;</p></div><hr class="hidden"><div class="blueBg"><h2><span style="font-weight: bold;">Other resources</span></h2><p><strong>1.</strong> There are many rather boring videos on YouTube on naming organic compounds. It is not really a topic to make an exciting video but Mark Rosengarten seems to have managed it with this video by setting it all to music. Some students might enjoy it.</p><p style="text-align: center;"><a href="http://youtu.be/mAjrnZ-znkY"><iframe allowfullscreen="" frameborder="0" height="280" src="//www.youtube.com/embed/mAjrnZ-znkY?rel=0" width="360"></iframe></a></p><p style="text-align: center;"><a href="http://youtu.be/mAjrnZ-znkY">Organic functional groups <img class="ico" src="../../../img/icons/video-1.png"><span class="anchor" id="video-1" name="video-1">&nbsp;</span></a></p><hr class="hidden"><p><strong>2.</strong> A video by Richard Thornley showing how the different strengths of intermolecular forces of attraction affect volatility and solubility in water for several different classes of organic compounds.</p><p style="text-align: center;"><iframe allowfullscreen="" frameborder="0" height="280" src="//www.youtube.com/embed/pH51q_YOluE?rel=0" width="360"></iframe></p><p style="text-align: center;"><a href="http://youtu.be/pH51q_YOluE">Volatility and solubility <img class="ico" src="../../../img/icons/video-1.png"><span class="anchor" id="video-2" name="video-2">&nbsp;</span></a></p><hr class="hidden"><p style="text-align: center;"></p></div></section></article><section id="media-extras"><div class="page-actions no-print navbar inline hidden-desktop"><div class="navbar-inner"><ul class="nav"><li><a class="presentation" href="#" onclick="return false;"><i class="fa fa-desktop"></i></a></li><li><a class="print-section-blog" href="#" onclick="return false;"><i class="fa fa-print"></i></a></li><li><a class="page-bookmarker" data-ticket="IB Docs (2) Team" data-pid="18497" href="#" onclick="return false;"><i class="fa fa-star"></i></a></li><li><a class="personal-notes" href="#" onclick="return false;"><i class="fa fa-file-text"></i></a></li><li><a class="" data-toggle="modal" href="#modal-feedback" onclick="return false;"><i class="fa fa-envelope-o"></i></a></li><li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" data-target="#" href="#"><i class="fa fa-share-alt"></i></a><ul class="dropdown-menu" role="menu"><li><a class="" target="_blank" title="Share on Twitter" href="https://twitter.com/share?text=%22Fundamentals+of+organic+chemistry+%22+-+via+%40InThinker+%23chemistry%0A&url=https%3A%2F%2Fwww.thinkib.net%2Fchemistry%2Fpage%2F18497%2Ffundamentals-of-organic-chemistry-"><i class="fa fa-twitter-square"></i><span>Twitter</span></a></li><li><a class="" target="_blank" title="Share on Facebook" href="https://www.facebook.com/sharer.php?u=https%3A%2F%2Fwww.thinkib.net%2Fchemistry%2Fpage%2F18497%2Ffundamentals-of-organic-chemistry-&t=Fundamentals+of+organic+chemistry+"><i class="fa fa-facebook-square"></i><span>Facebook</span></a></li><li><a class="" href="http://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fwww.thinkib.net%2Fchemistry%2Fpage%2F18497%2Ffundamentals-of-organic-chemistry-"><i class="fa fa-linkedin-square"></i><span>LinkedIn</span></a></li><li><a class="" href="https://plus.google.com/share?url=https%3A%2F%2Fwww.thinkib.net%2Fchemistry%2Fpage%2F18497%2Ffundamentals-of-organic-chemistry-"><i class="fa fa-google-plus-square"></i><span>Google +</span></a></li><li><a class="" href="mailto:?subject=Fundamentals of organic chemistry &body=‘Fundamentals of organic chemistry' is rather a strange name for this first sub-topic. 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