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Question

Bromine vapours are passed into a soln. of ethyne in carbon tetrachloride gives :

A
CHBr2CHBr2
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B
CH2BrCHBr2
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C
CH2BrCH2Br
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D
CH3CH3
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Solution

The correct option is A CHBr2CHBr2
Reaction:
CHCH+2Br2CHBr2CHBr2
In this reaction, the bromination of alkyne across triple bond takes place to form corresponding tetrabromo alkyl as a product.

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