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Question

The reagent(s) for the following conversion,
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A
alcoholic KOH
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B
alcoholic KOH followed by NaNH2
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C
aqueous KOH followed by NaNH2
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D
Zn/CH3OH
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Solution

The correct option is D alcoholic KOH followed by NaNH2
1,2 dibromoethane can be converted to acetylene by reaction with alcoholic KOH followed by NaNH2.
In this reaction, two molecules of HBr are removed and a carbon-carbon triple bond is formed.

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