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JEE Main Chemistry question

ChemistryHydrocarbonsJEE Main

The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are [IIT JEE 2010]

Answer: (D)

Solution

3-Octyne is CHCH–CC–CHCHCHCH. NaNH deprotonates the terminal alkyne but-1-yne (CHCHCCH) to give the acetylide

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Question ID VK-142108