JEE Main Chemistry question

ChemistryHydrocarbonsJEE Main

What is the value of moles () consumed in the given reaction: a 1,2-dibromide treated with moles of then moles of , giving a conjugated diene/diyne-type product?

Answer: 8

Solution

Excess brings about successive double dehydrohalogenation of the dibromide to form a terminal diyne/diyne-diide (requiring six equivalents of the strong base across the two

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Question ID VK-148391