The most stable carbocation among the followi | vedclass

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(C) The stability of a carbocation is increased by the $+M$ (mesomeric) effect of the $-NH_2$ group. In structure $(c)$,the positive charge is at the

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$c$

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(C) The stability of a carbocation is increased by the $+M$ (mesomeric) effect of the $-NH_2$ group. In structure $(c)$,the positive charge is at the ortho position relative to the $-NH_2$ group. The lone pair on the nitrogen atom can delocalize into the ring to stabilize the positive charge,forming a resonance structure where all atoms have a complete octet (except hydrogen). This resonance stabilization is most effective when the positive charge is adjacent to the group providing the $+M$ effect.

The most stable carbocation among the following is:

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