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Multiple Choice
Which of the following is a characteristic functional group found in alcohols?
A
Amino group (-NH2)
B
Carboxyl group (-COOH)
C
Carbonyl group (C=O)
D
Hydroxyl group (-OH)
Verified step by step guidance
1
Identify the functional groups listed in the problem: amino group (-NH2), carboxyl group (-COOH), carbonyl group (C=O), and hydroxyl group (-OH).
Understand the definition of a functional group: a specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.
Recall the structure of alcohols: Alcohols are organic compounds where a hydroxyl group (-OH) is bonded to a saturated carbon atom.
Compare the functional groups: The amino group (-NH2) is found in amines, the carboxyl group (-COOH) is found in carboxylic acids, and the carbonyl group (C=O) is found in aldehydes and ketones.
Conclude that the hydroxyl group (-OH) is the characteristic functional group found in alcohols, as it is directly bonded to a carbon atom in the alcohol structure.