Naming Carboxylic Acids and Nitriles Name compounds with-CO2H group bonded to a ring using the suffix-carboxylic acid 6 CO2H HO trans-4-Hydroxycyclohexanecarboxylic acid Cyclopent-1-enecarboxylic acid▪ Name compounds with –CO2H group bonded to a ring using the suffix –carboxylic acid Naming Carboxylic Acids and Nitriles