The alcohol that produces turbidity immediately with ZnCl_2/conc. HCl at room temperature **[MHT-CET 2008]**

JEE Main Chemistry question

The alcohol that produces turbidity immediately with /conc. HCl at room temperature **[MHT-CET 2008]**

(A)1-hydroxy butane
(B)2-hydroxy butane
(C)2-hydroxy-2-methyl propaneCorrect
(D)1-hydroxy-2-methyl propane

Answer: (C)

Solution

This is the Lucas test; the tertiary alcohol 2-hydroxy-2-methylpropane (tert-butanol) forms the most stable carbocation and reacts (gives turbidity) immediately at room temperature.

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Question ID VK-148480