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Question

\(\text{-COOH}\) is present in which of the following functional groups?

This question was previously asked in
RRB Group D 2018 Question Paper (11-Oct-2018) (Shift 3)
The correct answer is

Carboxylic acid

Carboxylic acid is correct.

The \(-\text{COOH}\) group (a carbonyl joined to a hydroxyl on the same carbon) is the defining functional group of carboxylic acids such as acetic acid (CH3COOH).

Ketones carry \(\text{C=O}\) between two carbons, aldehydes carry \(-\text{CHO}\) at a chain end, and alcohols carry \(-\text{OH}\) on an sp3 carbon.

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