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Why tropylium ion is more stable than triphenyl carbocation?

Why tropylium ion is more stable than triphenyl carbocation?

Grade:12

2 Answers

SAHIL
3783 Points
5 years ago
hi ashesh
as because in case of tropylium cation extra stability arises from the attainment of aromaticity as well as extensive conjugation.It contains 6π electrons which is according to Huckel's rule indicate towards the aromatic compound as well as the system is also a resonance stabilized because of delocalisation
thanks and approve my answer
Mukesh kumar jha
11 Points
4 years ago
Tropylium cation is more stable than ph3C+ becoz cyclic cation has 6pi electrons which can be accommodated in three delocalised mo spread over 7 atoms .It is huckel rule and exhibits quasi-aromaticity.In ph3C+ stabilisation is because of delocalisation of its charge through pi orbitals of 3 benzene ringsTropylium carbon cation is approx 10 ^11 times more stable than ph3C+

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