This page outlines various functional groups in organic chemistry, including hydroxyl, carboxyl, carbonyl, and amino groups, along with examples like alcohols (methanol, ethanol), carboxylic acids, al...This page outlines various functional groups in organic chemistry, including hydroxyl, carboxyl, carbonyl, and amino groups, along with examples like alcohols (methanol, ethanol), carboxylic acids, aldehydes (formaldehyde), ethers, esters, ketones, amines, and amides. Each group's connection to organic molecules and their biological significance is emphasized. The content is attributed to John W. Kimball, licensed under CC BY 3.0.