Arrange the following alcohols in order of increasing ease of dehydration
$C H_{3} C H_{2} O H$ $C_{6} H_{5} C H_{2} O H$
I II

$C l_{3} C C H_{2} O H$ $F_{3} C C H_{2} O H$
III IV

II < I < IV < III

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IV < III < II < I

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IV < III < I < II

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II < I < III < IV

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Solution

The correct option is C
IV < III < I < II

Higher the stability of the carbocation , more easily it is formed and more will be the ease of its dehydration. Stability of the carbocations of the corresponding alcohol is

$F_{3} C C H_{2} O H < C l_{3} C C H_{2} O H < H_{3} C C H_{2} O H < C_{6} H_{5} C H_{2} O H$ (Ease~of~dehydration)

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Arrange the following alcohols in order of increasing ease of dehydration
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$C l_{3} C C H_{2} O H$ $F_{3} C C H_{2} O H$
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Arrange the following alcohols in order of increasing ease of dehydration CH3CH2OH C6H5CH2OH I II Cl3CCH2OH F3CCH2OH ​ III IV

The correct option is C IV < III < I < II Higher the stability of the carbocation , more easily it is formed and more will be the ease of its dehydration. Stability of the carbocations of the corresponding alcohol is F3CCH2OH<Cl3CCH2OH<H3CCH2OH<C6H5CH2OH (Ease~of~dehydration)

Arrange the following alcohols in order of increasing ease of dehydration
$C H_{3} C H_{2} O H$ $C_{6} H_{5} C H_{2} O H$
I II

$C l_{3} C C H_{2} O H$ $F_{3} C C H_{2} O H$
III IV