The combination of a carbonyl group and a hydroxyl group on the same carbon atom is called a Carboxyl group.
The carboxyl group is an organic functional group. Carboxyl group contains two functional groups that is carbonyl group (C = O) and hydroxyl group (OH) which attached with single carbon atom. The structural formula for carboxyl group is RCOOH where R is alkyl or aryl group.
Example of Carboxyl group: HCOOH (Methanoic Acid) , CH₃COOH (Ethanoic acid) etc.
Thus from the above conclusion we can say that The combination of a carbonyl group and a hydroxyl group on the same carbon atom is called a Carboxyl group.
Learn more about the Carboxyl group here: https://brainly.com/question/15942533
#SPJ4
