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Multiple Choice

Aniline is a derivative of benzene which contains which functional group?

Aniline is an aromatic amine: a benzene ring with an amino substituent (-NH2). The amino group is the functional group present, giving the compound its characteristic chemistry. A hydroxyl group would make phenol, a carbonyl group points to an aldehyde or ketone, and a carboxyl group to a carboxylic acid, none of which are in aniline. So the amino group is the defining feature here.

Aniline is an aromatic amine: a benzene ring with an amino substituent (-NH2). The amino group is the functional group present, giving the compound its characteristic chemistry. A hydroxyl group would make phenol, a carbonyl group points to an aldehyde or ketone, and a carboxyl group to a carboxylic acid, none of which are in aniline. So the amino group is the defining feature here.