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JEE Main Chemistry question

ChemistryAlcohols, Phenols and EthersJEE Main

A compound with molecular formula is converted, by the action of acetyl chloride, into a compound with molecular weight 190. The original compound has

Answer: (B)

Solution

has a molecular weight of ; each hydroxyl group acetylated by acetyl chloride replaces an hydrogen with a group, adding mass units per group. The observed mass increase, $190 -

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Question ID VK-148941