For the given reaction , A is :

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Both (a) and (b)

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None is correct

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Solution

The correct option is A
Alkyne in presence of $N a / N H_{3}$ undergoes Birch reduction to form trans alkene products. This reagent gives only trans product.

Mechanism of Birch reduction:

Product 'A' is (a)

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Similar questions

For the reaction A + B $⇋$ C + D the equilibrium constant is

(R)

S_{N} 1

S_{N} 2

A_{1} K_{2} B

For two acids A and B, $p K_{a}$ = $1.2$ , $p K_{b}$ = $2.8$ respectively in value, then which of the following

is true

C u + H_{2} S O_{4} \to C u S O_{4} + H_{2} O + S O_{2}

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