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Multiple Choice
Which of the following is a characteristic functional group of alcohols?
A
Carbonyl group (C=O)
B
Amino group (-NH2)
C
Hydroxyl group (-OH)
D
Carboxyl group (-COOH)
Verified step by step guidance
1
Identify the functional groups listed in the problem: Carbonyl group (C=O), Amino group (-NH2), Hydroxyl group (-OH), and Carboxyl group (-COOH).
Understand the definition of a functional group: A functional group is a specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.
Recall the characteristic functional group of alcohols: Alcohols are organic compounds that contain one or more hydroxyl groups (-OH) attached to a carbon atom.
Compare the functional groups listed with the characteristic functional group of alcohols: The hydroxyl group (-OH) is the functional group that defines alcohols.
Conclude that the hydroxyl group (-OH) is the correct answer, as it is the characteristic functional group of alcohols.