A. It is a strong acid.
B. It contains both a carbonyl and a hydroxyl group.
C. It is hydrophobic.
D. It is found only in organic compounds.
Answer: It contains both a carbonyl and a hydroxyl group.
What is the main characteristic of the carboxyl functional group?
Additional Information: The carboxyl functional group (-COOH) consists of a carbonyl group (C=O) and a hydroxyl group (-OH).