The stability of the carbocations follows the | vedclass

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Question

(C) The stability of carbocations is determined by factors like aromaticity,resonance,and hyperconjugation.$IV$ is a tropylium cation $(C_7H_7^+)$,whi

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$IV > II > I > III$

Vedclass · Answer

(C) The stability of carbocations is determined by factors like aromaticity,resonance,and hyperconjugation.$IV$ is a tropylium cation $(C_7H_7^+)$,which is aromatic ($6\pi$ electrons) and thus the most stable.$II$ is stabilized by both resonance and hyperconjugation.$I$ is a secondary carbocation stabilized by hyperconjugation.$III$ is an anti-aromatic species ($4\pi$ electrons) and is the least stable.Therefore,the correct order of stability is $IV > II > I > III$.

The stability of the carbocations follows the order:

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