G2 Science (Chemistry) Organic Chemistry Practice
Practise K223/K225 Organic Chemistry questions, with feedback after each answer. Covers crude oil and fuels, homologous series, prescribed C1–C3 alkanes and alkenes, hydrogenation, addition polymerisation and plastics evaluation. Alcohols, carboxylic acids, esters, C4 isomers and condensation polymers are excluded.
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Questions are picked at random each time you start. You'll see your score, the answers and explanations at the end. It's for practice only and doesn't count towards mastery.
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Beyond the syllabus: optional enrichment that does not count towards your progress.