An interactive companion resource that covers Achievement Standard 91391 - Demonstrate understanding of the properties of organic compounds, from NCEA Level 3 Chemistry. The first chapter revises organic chemistry from the previous course. The second chapter investigates alcohols and their derivatives: aldehydes and ketones, haloalkanes and amines. The final chapter deals with carboxylic acids and their derivatives: esters, acyl chlorides and amides, polymers, as well as how to distinguish between organic compounds.