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JEE Main Chemistry question

ChemistryAlcohols, Phenols and EthersJEE Main

A cyclic ether, , is treated with aqueous HI under heat to give a product, which is then treated with in ethanol. The reactant ether is a five-membered ring (a methyl-substituted tetrahydrofuran). How many carbon atoms are present in the ring of this reactant ether (not counting any exocyclic substituent)?

Answer: 4

Solution

The reactant is a five-membered cyclic ether containing one ring oxygen and four ring carbons (a

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Question ID VK-149011