7-Chlorocycloheptatriene on treatment with $AgB F_{4}$ gives a precipitate of $AgCl$ and a stable solution of a cation. Classify the cation formed.

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7-Chlorocycloheptatriene on treatment with AgB F 4 ​ gives a precipitate of AgCl and a stable solution of a cation. Classify the cation formed.

TestHub · Accepted Answer

The cycloheptatrienyl (tropylium) cation has 6 π electrons (three C = C ) with an empty p orbital on the seventh carbon, cyclic and planar : 4n+2 with n = 1, aromatic. Its stability drives the loss of C l − .

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