ORGANIC CHEMISTRY Chapter 12 Carbonyl compounds are a broad group of compounds that includes aldehydes, ketones carboxylic acids, and esters R R R R C=0 C=0 C=0 C=0 C=0 H R HO RO The carbonyl An aldehyde a ketone a carboxylic a carboxylate group ac ester Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 12 Carbonyl compounds are a broad group of compounds that includes aldehydes, ketones, carboxylic acids, and esters. C O C O H R C O R' R C O HO R C O R'O R The carbonyl group An aldehyde A ketone A carboxylic acid A carboxylate ester