Question

The functional group in an organic acid is _____.

Answer 1

Answer: The correct answer is carboxylic group.

Step-by-step explanation:

Functional groups are defined as the groups having specific substituents present in the molecules which are responsible for the chemical reactions of the molecules.

Functional group present in an organic acid is the carboxylic group. It is written as -COOH. Examples of organic acids are acetic acid
`(CH_3COOH)`, butanoic acid
`(CH_3CH_2CH_2COOH)` etc..

Hence, the correct answer is carboxylic group.

Answer 2

The answer is a carboxyl group. The functional group in an organic acid is a carboxyl group. The organic acid which has this group is called a carboxylic acid. This functional group contains a carbonyl group and a hydroxyl group.