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Multiple Choice
Which of the following is a characteristic functional group of alcohols?
A
Amino group (-NH2)
B
Hydroxyl group (-OH)
C
Carboxyl group (-COOH)
D
Carbonyl group (C=O)
Verified step by step guidance
1
Identify the functional groups listed in the problem: amino group (-NH2), hydroxyl group (-OH), carboxyl group (-COOH), and carbonyl group (C=O).
Recall the definition of a functional group: a specific group of atoms within a molecule that is responsible for a characteristic chemical reaction of that molecule.
Understand that alcohols are organic compounds characterized by the presence of a hydroxyl group (-OH) attached to a carbon atom.
Compare the functional groups listed with the characteristic functional group of alcohols. The hydroxyl group (-OH) is the defining feature of alcohols.
Conclude that the hydroxyl group (-OH) is the characteristic functional group of alcohols, distinguishing them from other organic compounds.