The alkane family
The alkane family

Alkanes are hydrocarbons whose carbon atoms are joined only by single bonds. They are saturated hydrocarbons and all follow the general formula CnH2n+2\text{C}_n\text{H}_{2n+2}CnH2n+2.
Step-by-step lessons on Edexcel GCSE Chemistry 9.1.3 The alkanes as a homologous series. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.