The correct increasing order of the reactivit | vedclass

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Question

(A) $S_N1$ reactions proceed via the formation of a carbocation intermediate.The reactivity toward $S_N1$ is directly proportional to the stability of

Vedclass · Accepted Answer

$CH_3-CH_2-X < (CH_3)_2CH-X < CH_2=CH-CH_2-X < PhCH_2-X$

Vedclass · Answer

(A) $S_N1$ reactions proceed via the formation of a carbocation intermediate.The reactivity toward $S_N1$ is directly proportional to the stability of the carbocation formed.The stability order of the corresponding carbocations is: $PhCH_2^+ > CH_2=CH-CH_2^+ > (CH_3)_2CH^+ > CH_3-CH_2^+$.Therefore,the increasing order of reactivity is: $CH_3-CH_2-X < (CH_3)_2CH-X < CH_2=CH-CH_2-X < PhCH_2-X$.

The correct increasing order of the reactivity of halides for $S_N1$ reaction is

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