Carbonyl Compounds TABLE 18-1 Common Classes of Carbonyl Compounds Class General Formula Class General Formula ketones R-C-R aldehydes R-C-H carboxylic acids C-OH acid chlorides R-C-CI esters R-C-O-R amides R NH Copyright2010 Pearson Prentice Hall,Inc. Chapter 18 2Chapter 18 2 Carbonyl Compounds