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Question

Acid-catalysed dehydration of which of following compounds is slowest?

A
t-Butanol
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B
sec-Butanol
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C
n-Butanol
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D
All of them dehydrate at similar rate
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Solution

The correct option is C n-Butanol
Compounds which form less stable carbocation undergo slow dehydration or we can say primary carbocation. Hence, nButanol form primary carbocation which is less stable, so undergo slow dehydration.
1051136_247011_ans_563d6da2d6e043cf96d0d45dafc05a30.PNG

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