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Question

Among the following compounds, the one which can be dehydrated most easily is:


A
CH3CH2CH3|C|OHCH2CH3
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B
CH3CH2CH2C|OHHCH3
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C
CH3CH2CH2CH2CH2OH
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D
(CH3)2CHCH2CH(OH)CH3
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Solution

The correct option is A $$CH_{ 3 }-CH_{ 2 }-\overset { \overset { CH_{ 3 } }{ | }  }{ \underset { \underset { OH }{ | }  }{ C }  }-CH_{ 2 }CH_{ 3 }$$

The compound which can be easily dehydrated will form most stable carbocation after removal of $$H_{ 2 }O$$ molecule. 

Since stability of carbocation follows 3 degree> 2 degree> 1 degree, 

so, compound $$A$$ is most easily dehydrated.

Option A is correct.

1036615_771013_ans_ed4cd4dc24ec4078b3376c059ee2b08e.png

Chemistry

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