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The product of the following reaction isC2H5–CO–CH3 —(H2/Ni, Δ)→ ?[The reactant is drawn as C2H5–C(=O)–CH3, i.e. butan-2-one.]

Q.1 (iii) The product of the following reaction is
C2H5–CO–CH3 —(H2/Ni, Δ)→ ?
[The reactant is drawn as C2H5–C(=O)–CH3, i.e. butan-2-one.]

A. CH3–CH2–CH2–CH2–OH

B. CH3–CH(OH)–CH2–CH3 [OH on the second carbon]

C. CH3–CH2–CH2–CH3

D. CH3–CH2–CH2–COOH

1 answer

Best answer

Answer: B. CH3–CH(OH)–CH2–CH3 [OH on the second carbon]

Answer: (b) CH3–CH(OH)–CH2–CH3

Catalytic hydrogenation (H2/Ni) adds H2 across the C=O bond of a ketone and gives a secondary alcohol:

C2H5–CO–CH3 + H2 → (Ni, Δ) C2H5–CH(OH)–CH3 (butan-2-ol)

Doubtly AI · 29 Oct 2026 AI-generated · not yet verified Report
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