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Chemistry Easy CSS Uploaded: 04 Sep 2026

Which functional group characterizes carboxylic acids?

  • A -CO-
  • B -COOH
  • C -OH
  • D -CHO
Correct Answer: Option B — -COOH
Explanation:
Carboxylic acids are characterized by the carboxyl functional group (-COOH), which combines a carbonyl and hydroxyl group, giving these compounds acidic properties due to the ionizable hydrogen atom.
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