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JEE Main Chemistry question

ChemistryHydrocarbonsJEE Main

In the series, (starting material is ethylacetylene, HCC–CHCH; read as HCCH / terminal alkyne). The compound is [Pb. CET 2010]

Answer: (B)

Solution

Acetylene (HCCH) is deprotonated by NaNH to the sodium acetylide, HCCNa (), which is alkylated by CHI to give propyne, HCC–CH

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Question ID VK-142194