A carboxylic acid contains:
Correct answer: B. A carboxyl group
- A. A hydroxyl group
- B. A carboxyl group
- C. A hydroxyl and carboxyl group
- D. A carboxyl and an aldehydic group
Explanation
B is correct because a carboxylic acid contains a carboxyl group, which consists of a carbonyl group (C=O) and a hydroxyl group (-OH) bonded to the same carbon atom.
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