Arrange the following carbocations in decreas | vedclass

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(D) The stability of carbocations is determined by resonance and inductive effects.In structure $B$,the positive charge is on the carbon atom adjacent

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$B > A > C$

Vedclass · Answer

(D) The stability of carbocations is determined by resonance and inductive effects.In structure $B$,the positive charge is on the carbon atom adjacent to the oxygen atom. The lone pair on the oxygen atom can donate electron density through resonance,which significantly stabilizes the carbocation.In structure $C$,the positive charge is on the carbon atom at the $\beta$-position relative to the oxygen atom. The oxygen atom exerts an electron-withdrawing inductive effect ($-I$ effect),which destabilizes the carbocation.In structure $A$,the carbocation is a simple secondary carbocation without any adjacent heteroatom effects.Therefore,the stability order is $B > A > C$.

Arrange the following carbocations in decreasing order of stability.

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