JEE Main Chemistry question

Which of the following converts carbonyl compounds into hydrocarbons?

(A)H₂/Pt
(B)LiAlH₄
(C)K₂Cr₂O₇/H₂SO₄
(D)Zn–Hg/HClCorrect

Answer: (D)

Solution

Clemmensen reduction (Zn–Hg amalgam with conc. HCl) fully deoxygenates a carbonyl group, converting it to a –CH₂– unit, i.e. reducing an aldehyde or ketone all

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Question ID VK-149146