MHT CET 2025 Chemistry question

Identify the final product obtained when a mixture of vapours of phenol and hydrogen is passed over nickel catalyst at 433 K.

(A)CyclohexanolCorrect
(B)Cyclohex-2-en-1-ol
(C)Cyclohexane
(D)Benzene

Answer: (A)

Solution

Catalytic hydrogenation of phenol vapour with over finely divided Ni at 433 K reduces the aromatic ring completely to give cyclohexanol: . The -OH group is not removed under these conditions. Wrong

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Question ID VK-102554