JEE Main Chemistry question

On treatment with a concentrated solution of zinc chloride in concentrated HCl at room temperature, an alcohol immediately gives an oily product. The alcohol can be

(A) (benzylic, forms stabilised cation — reacts fast)
(B) (secondary — needs ~5 min, not immediate)
(C) (tertiary alcohol)Correct
(D)Any of these

Answer: (C)

Solution

Immediate turbidity in the Lucas test is characteristic of a tertiary alcohol, which forms the most stable carbocation and ionises instantly. The given tertiary alcohol, , matches this criterion, while the benzylic alcohol and the secondary

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Question ID VK-148601