K-11: Basic organic families and the idea of a homologous series

IB sub-topics affected

EditorialSub-topic tagging is this site’s own editorial judgement, not the IB’s.

S3.2 Functional groups: Classification of organic compoundsHL
R3.4 Electron-pair sharing reactionsHL

Alkanes/alkenes/alcohols/carboxylic acids, combustion, cracking, addition polymerisation, and the bromine water test all survive into Structure 3.2 and Reactivity 3.4 unchanged; IB adds naming rigour and mechanism.