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the correct answer to the attached image is a but please give me reason for it

the correct answer to the attached image is a but please give me reason for it

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Grade:11

1 Answers

Ravleen Kaur
askIITians Faculty 1452 Points
4 years ago
Cyclopropane is a highly strained molecule with bond angle of60 degree. The normal tetrahedral bond angle is109.5 degree, so we'd expect a ring strain of49 degree.

In cyclopropyl methyl carbocation, the sigma electron cloud expands outwardly due to angle strain; therefore, the valence electron cloud ofCH2+is surrounded by or enveloped by the expanded electron cloud making carbocation stable.

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