JEE Main | 2018HydrocarbonsHard

Question

The trans-alkenes are formed by the reduction of alkynes with :

Options

A.

NaBH4

B.

Na/liq.NH3

C.

Sn-HCl

D.

H2-Pd/C, BaSO4

Solution

→Na/liq. NH3
Birch reduction is anti addition. So trans alkene will be produced.

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