carbonyl group (=C=O) The =C=O functional group, which is present in a variety of organic compounds, including aldehydes, ketones, carboxylic acids, esters, and amides. It consists of a carbon atom joined by a double covalent bond to an oxygen atom. Inorganic carbonyls contain carbonyl groups bound directly to metal atoms. Related category • ORGANIC CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |