JAMB Chemistry 2025 Objective — Question 25

Question 25 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2025 Objective paper, with the correct answer and a full explanation.

The product when ethanol reacts with propanoic acid (with H₂SO₄ catalyst) is

A. Propyl ethanoate
B. Ethyl ethanoate
C. Ethyl propanoateCorrect
D. Ethanal

Explanation

Esterification: CH₃CH₂OH + CH₃CH₂COOH ⇌ CH₃CH₂COOCH₂CH₃ + H₂O. The ester is ethyl propanoate (named from the acid first: propanoate, then alcohol: ethyl).

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