Acid anhydrides: RCO2COR' E: Symmetrical anhydrides of straight chain monocarboxylic acids, and cyclic anhydrides of dicarboXylIC acids, are named by replacing the e word acid with anhydrideOrganic Chemistry Organic Chemistry Xiamen Xiamen University University Acid anhydrides: RCO 2COR ’ Symmetrical anhydrides of straightchain monocarboxylic acids, and cyclic anhydrides of dicarboxylic acids, are named by replacing the word acid with anhydride