JEE Main Chemistry question

The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on an alcohol is

(A)anhy.
(B)
(C)anhy. Correct
(D)Cu

Answer: (C)

Solution

Anhydrous zinc chloride, , acts with concentrated HCl (the Lucas reagent) as a Lewis-acid catalyst, coordinating to the alcohol's oxygen and facilitating loss of water to generate a carbocation (or activated complex) that is then captured by chloride,

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Question ID VK-148020