ORGANIC CHEMISTRY Chapter 2 2. 11A Carboxylic acids o Carboxylic acids have the general formula R-C-OH or RCOOH or RCO2H A carboxylic ac o The functional group is the carboxyl group (羧 基) C-OH or CooH or -COH The carboxyl group Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 2 2.11A Carboxylic acids Carboxylic acids have the general formula: R C OH O or RCOOH or RCO2H A carboxylic acid The functional group is the carboxyl group (羧 基). C OH O The carboxyl group or －COOH or －CO2H