Chapter 9 Aldehydes and Ketones Keto-Enol Tautomerism A carbon atom adjacent to a carbonyl group is called an (alpha) -carbon, and a hydrogen atom bonded to it is ...
... ketones Methanal (formaldehyde) Ethanal (acetaldehyde) Propanal Pentanal Nomenclature of Aldehydes If the aldehyde group is attached to a ring, ...