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Grade 11Organic Chemistry

Account for the extra stability of tri-cyclopropyl carbocation.

Profile image of Yash  Sinha
15 Years agoGrade 11
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1 Answer

Profile image of Chetan Mandayam Nayakar
15 Years ago

First of all, a cyclopropyl carbocation is aromatic because it satisfies Huckel rule 4n+2 with n=zero. In tri-cyclopropyl carbocation, there is resonance effect of three identical and aromatic cyclopropyl carbocations. This is the cause of the extra stability.