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Question

Chemistry Question on Hydrocarbons

But-2-yne is formed by reaction of

A

CH3BrCH_3Br with sodium acetylide

B

CH3ICH_3Iwith disodium acetylide

C

CH3ICH_3I with acetylene

D

CH4CH_4 with chloroacetylene

Answer

CH3ICH_3Iwith disodium acetylide

Explanation

Solution

Na+CCNa+>CH3CCCH3+2Nal\overset{+}{Na} \overset{-}{C} \equiv \overset{-}{C} \overset{+}{Na} {->} CH_3-C \equiv C - CH_3 + 2Nal