Birch reduction of benzene (Na/liq. NH_3, with an alcohol as proton source) gives

JEE Main Chemistry question

Birch reduction of benzene (Na/liq. NH, with an alcohol as proton source) gives

(A)Cyclohexane
(B)Cyclohexa-1,4-dieneCorrect
(C)Cyclohexa-1,3-diene
(D)Cyclohexene

Answer: (B)

Solution

The Birch reduction is a dissolving-metal (Na or Li in liq. NH/alcohol) partial reduction of an aromatic ring that adds hydrogens 1,4- across the ring via a

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Question ID VK-142420