The relative rate of the acid-catalyzed dehydration of the following alcohols would be

(III) > (II) > (I)

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(II) > (III) > (I)

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(I) > (III) > (II)

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(III) > (I) > (II)

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Solution

The correct option is B (II) > (III) > (I)
Since dehydration involves the formation of carbocation in rate determining step, more the stability of carbocation, more will be rate of acid catalysed dehydration.
$3^{\circ} > 2^{\circ} > 1^{\circ}$ - stability of carbocation

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The relative rate of the acid-catalyzed dehydration of the following alcohols would be

The correct option is B (II) > (III) > (I)Since dehydration involves the formation of carbocation in rate determining step, more the stability of carbocation, more will be rate of acid catalysed dehydration. 3∘>2∘>1∘ - stability of carbocation

The correct option is B (II) > (III) > (I)
Since dehydration involves the formation of carbocation in rate determining step, more the stability of carbocation, more will be rate of acid catalysed dehydration.
$3^{\circ} > 2^{\circ} > 1^{\circ}$ - stability of carbocation