General Science • ChemistryEasy
What functional group is characteristic of organic compounds classified as carboxylic acids?
A. Carbon-oxygen double bond attached to a hydroxyl group✓ Correct Answer
B. Carbon-oxygen double bond attached to two alkyl groups
C. Single-bonded oxygen atom bridging two alkyl chains
D. Nitrogen atom bonded directly to three hydrogen atoms
💡 Solution & Explanation
Carboxylic acids contain the carboxyl functional group consisting of a carbonyl group bonded to a hydroxyl group, represented by the formula COOH. Ketones contain carbonyl groups bonded to two carbon chains, ethers feature bridging oxygen atoms, and amines contain nitrogen functionalities. Carboxylic acids exhibit acidic properties due to resonance stabilization of their carboxylate anions.
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