Butene and pentene are members of the same homologous series. Which statement is true for both butene and pentene?
Each molecule contains exactly five carbon atoms
Each molecule contains one carbon-carbon double bond
Each molecule contains as many carbon atoms as hydrogen atoms
Each molecule contains one hydroxyl functional group
40 exam-style questions on AQA GCSE Chemistry 7.2 Reactions of alkenes and alcohols, covering 7.2.1 Structure and formulae of alkenes, 7.2.2 Reactions of alkenes, 7.2.3 Alcohols, 7.2.4a Carboxylic acids, and 7.2.4b Carboxylic acids as weak acids. Each one has a worked solution and a mark scheme showing where the marks go.