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Which of the following reaction will giv...

Which of the following reaction will give an alkyne?

A

Potassium fumarate `overset("Electrolysis")(to)`

B

`CH_(3)CBr_(2)CHBr_(2)overset(Zn "dust")(to)`

C

`CH_(3)CH_(2)CHBr_(2) overset("alc." KOH//NaNH_(2)///_\)(to)`

D

`CH_(3)CHBrCH_(2)Br overset (NaNH_(2)///_\)(to)`

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The correct Answer is:
A, B, C, D
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