GCSE Chemistry
Organic Chemistry
Organic Chemistry is a core strand in Chemistry. Work through the topics below in any order, or follow your course — each guide includes explanations, common mistakes and exam-style practice.
Topic guides
Crude Oil & Fractional Distillation
Crude oil is a finite resource and a complex mixture of hydrocarbons.
Open guideHydrocarbons
Hydrocarbons are organic compounds made up entirely of carbon and hydrogen atoms.
Open guideAlkanes & Alkenes
Alkanes and alkenes are two important homologous series of hydrocarbons.
Open guideAlcohols
Alcohols are a homologous series of organic compounds containing the -OH functional group.
Open guideCarboxylic Acids
Carboxylic acids are a homologous series of organic compounds that contain the -COOH functional group.
Open guidePolymers & Polymerisation
Polymerisation is the process of joining many small molecules, called monomers, together to form a very large molecule, called a polymer.
Open guide
Revision strategy
Students often slip on the details explained in our guides — read the “common mistakes” section in each topic.
- Alternate between reading a guide and doing timed questions — don’t only re-read notes.
- Return to this hub anytime; new guides appear automatically as we publish them.