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Question

(A) CH3C|CH3HCH2CH2OH
(B) CH3OH|C|CH3CH2CH3
(C) CH3CH3|CHOH|CHCH3
The order of given alkanols A,B,C in their reactivity towards acid catalysed dehydration is:

A
A>B>C
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B
B>A>C
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C
B>C>A
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D
C>B>A
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Solution

The correct option is C B>C>A
Carbocation formed during reaction are referred to the image above:
Therefore stability of carbocations have the order 3degree>2degree>1degree and CH3 is + group so, the order of stability is :B>C>A
(B) CH3OH|C|CH3CH2CH3CH3|C|CH3CH2CH3 (2o)
(C) CH3CH3|CHOH|CHCH3CH3C|CH3ChCH3CH3(2o)

1036711_781330_ans_dcdbb0a50bf34d399e6df9fecfb47ce9.png

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