CO-OH group is a group

Answer 1

carboxly

Answer 2

The COOH group is a carboxyl group found in organic molecules that contains a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group. It is an important functional group in organic chemistry, commonly found in amino acids and fatty acids. The presence of the COOH group imparts acidic properties to molecules due to the release of a proton (H+) in aqueous solutions.