JEE Main Chemistry question

The best method to prepare cyclohexene from cyclohexanol is by using **[IIT JEE 2006]**

(A)Conc. HCl +
(B)Conc. Correct
(C)HBr
(D)Conc. HCl

Answer: (B)

Solution

Dehydration of cyclohexanol to cyclohexene is best achieved using a non-nucleophilic, purely dehydrating acid such as concentrated phosphoric acid, which promotes clean E1

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Question ID VK-148477