Which one of the following is the <strong>CORRECT</strong> chemical formula of carboxylic acid?
- A. C_3H_7OH
- B. C_3H_8
- C. C_2H_5COOH ✓
- D. CH_3COCH_3
Correct Answer: C. C_2H_5COOH
Explanation
Carboxylic acids contain the -COOH functional group. The formula C_2H_5COOH represents propanoic acid.
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