Carboxylic acids

Carboxylic acids are formed by the function group
      double bonded O and an OH attached to it
-Use standard rules but change the parent chain ending to -oic acid
-the simplest carboxylic acid is methanoic acid
      O
       =
        c    - OH

http://upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Carboxylic-acid.svg/748px-Carboxylic-acid.svg.png