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Free Radical Halogenation

Which of foll...

Question

Which of following will react with $N a / l i q N H_{3}$ ?

A

C H_{3} - C \equiv C - C H_{3}

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B

C H_{3} - C \equiv C - H

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C

Both (a) and (b)

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D

None of the above

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Solution

The correct option is C Both (a) and (b)
Hydrogenation of alkynes(Addition of $H_{2}$ ) takes place in the presence of $N a / l i q N H_{3}$ . This is known as birch reduction. In birch reduction, trans alkene is formed. Hence the correct answer will be option (c).

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Free Radical Halogenation

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