Which of the following alcohols will undergo | vedclass

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(D) The ease of dehydration of alcohols follows the order: $3^{\circ} > 2^{\circ} > 1^{\circ}$ alcohol. This is because the rate-determining step invo

Vedclass · Accepted Answer

$2-$methylbutan$-2-$ol

Vedclass · Answer

(D) The ease of dehydration of alcohols follows the order: $3^{\circ} > 2^{\circ} > 1^{\circ}$ alcohol. This is because the rate-determining step involves the formation of a carbocation intermediate. $3^{\circ}$ carbocations are the most stable. Among the given options,$2-$methylpropan$-2-$ol and $2-$methylbutan$-2-$ol are both $3^{\circ}$ alcohols. However,$2-$methylbutan$-2-$ol forms a slightly more stable carbocation due to the presence of more alkyl groups providing hyperconjugation and inductive effects,making it the most reactive towards dehydration.

Which of the following alcohols will undergo dehydration most easily?

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