Find the correct stability order for the foll | vedclass

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Question

(A) The stability of carbocations is determined by factors like resonance,hyperconjugation,and inductive effects.$IV$: The carbocation is stabilized b

Vedclass · Accepted Answer

$IV > I > III > II$

Vedclass · Answer

(A) The stability of carbocations is determined by factors like resonance,hyperconjugation,and inductive effects.$IV$: The carbocation is stabilized by the $+M$ (mesomeric) effect of the $-OH$ group due to back-bonding,making it the most stable.$I$: This is a secondary carbocation in a bicyclic system,stabilized by hyperconjugation and the $+I$ effect.$III$: This is a secondary carbocation in a bicyclic system,also stabilized by hyperconjugation and the $+I$ effect,but it is slightly less stable than $I$ due to the specific geometry.$II$: The carbocation is at the bridgehead position. According to Bredt's rule,a double bond or a carbocation at the bridgehead of a small bicyclic system is highly unstable due to the inability to achieve planar geometry.Therefore,the correct stability order is $IV > I > III > II$.

Find the correct stability order for the following carbocations:

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