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Preparation of Alkyl Halides

2,4-hexadiyne...

Question

2,4-hexadiyne $(C_{6} H_{6})$ is allowed to react with $L i$ in $N H_{3}$ (liq). The product obtained is treated with 1 equivalent of $C l_{2}$ $C C l_{4}$ . Which of the following constitutional isomers are possible products ?

A

I and II

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B

II and III

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C

I and IV

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D

I and III

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Solution

The correct option is D I and III
Constitutional isomers that are possible products are as shown in the above image.

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