Which functional group is present in ethanol?

Answer and explanation

Correct answer: A. Hydroxy group (–OH)

Ethanol is CHOH, an alcohol.
Answer: Hydroxy group (–OH).
Why not the others: Carboxyl group (–COOH): that is in ethanoic acid. Carbonyl group (C=O): that is in aldehydes and ketones. Amino group (–NH): that is in amines.

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Which functional group is… | EJU Japan Organic Chemistry