Retrospect and prelude; alkanes, cycloalkanes and their derivatives; energy changes in chemical reactions; introduction to spectroscopy; stereochemistry; alkenes - structure, acid additions and preparations; more addition reactions of alkenes; alkynes; nuclear magnetic resonance spectroscopy; alcohols; nucleophilic substitution and elimination reactions; ethers, epoxides and sulphides; aldehydes and ketones; carboxylic acids, their salts and their esters; acyl transfer reactions; interconversion of carboxylic acid derivatives; enols and enolate anions; free radical reactions and mass spectrometry; electron delocalisation in acyclic compounds and intermediates; aromaticity - electron delocalisation in acyclic compounds; chemistry of benzene and its derivatives; amines; halobenzenes, phenols and quinones; chemistry of difunctional compounds; carbohydrates; amino acids, proteins and enzymes; nucleic acids.