Benzo nitrile has which functional group?

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Multiple Choice

Benzo nitrile has which functional group?

Explanation:
The key idea is identifying the group attached to the ring. In benzonitrile, the ring has a cyano group, written as -C≡N. This is the nitrile functional group, which defines the molecule’s identity as a nitrile. The other options correspond to different groups: hydroxyl (-OH) for alcohols, carboxyl (-COOH) for carboxylic acids, and amine (-NH2) for amines. Since the molecule features the -C≡N substituent, the nitrile group is the correct answer.

The key idea is identifying the group attached to the ring. In benzonitrile, the ring has a cyano group, written as -C≡N. This is the nitrile functional group, which defines the molecule’s identity as a nitrile. The other options correspond to different groups: hydroxyl (-OH) for alcohols, carboxyl (-COOH) for carboxylic acids, and amine (-NH2) for amines. Since the molecule features the -C≡N substituent, the nitrile group is the correct answer.

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