Ketones are characterized by a carbonyl group located where in the carbon skeleton?

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Multiple Choice

Ketones are characterized by a carbonyl group located where in the carbon skeleton?

Ketones have a carbonyl group that sits inside the carbon framework, with the carbonyl carbon bonded to two carbon atoms. This internal placement distinguishes ketones from aldehydes, where the carbonyl is at the end of the chain (terminal carbon). The carboxyl group (-COOH) is a different functional group altogether, not the ketone. Even in cyclic ketones, the carbonyl remains within the ring, not at a chain terminus. So the carbonyl is located internal to the carbon skeleton.

Ketones have a carbonyl group that sits inside the carbon framework, with the carbonyl carbon bonded to two carbon atoms. This internal placement distinguishes ketones from aldehydes, where the carbonyl is at the end of the chain (terminal carbon). The carboxyl group (-COOH) is a different functional group altogether, not the ketone. Even in cyclic ketones, the carbonyl remains within the ring, not at a chain terminus. So the carbonyl is located internal to the carbon skeleton.

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