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Carbon and its Compounds Test 2
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Which of the following options is the carboxylic acid group?
AnswerClick to flip back
A
-COOH
💡 Explanation:
The carboxylic acid functional group is -COOH, consisting of a carbonyl group (C=O) and a hydroxyl group (-OH) bonded to the same carbon atom. Option A (-COO) represents a carboxylate ion, option C (-OH) is just a hydroxyl group, and option D is incorrect since option B is valid.