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:

Similar Questions

The most stable carbocation among the following is:

The increasing order of basicity for the following intermediates is (from weak to strong):
$(i)$ $(CH_3)_3C^{-}$
$(ii)$ $H_2C=CH-CH_2^{-}$
$(iii)$ $HC \equiv C^{-}$
$(iv)$ $CH_3^{-}$
$(v)$ $CN^{-}$

The correct order of stability of the following carbocations is:

What is the increasing order of stability for the carbanions $P: \bar{C}H_3$,$Q: C_6H_5\bar{C}H_2$,$R: (CH_3)_2\bar{C}H$,and $S: H_2\bar{C}^{-}CH=CH_2$?

Identify the most stable carbocation from the following:

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