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JEE Main Chemistry question

ChemistryHaloalkanes and HaloarenesJEE Main

Pentaerythrityl tetrabromide, C(CHBr), on heating with zinc dust, gives , a strained bicyclic (spiro-type) diene formed by two intramolecular double-elimination reactions.

Answer: (A)

Solution

Zinc removes two separate pairs of adjacent bromomethyl arms from the central carbon, each elimination

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Question ID VK-142810