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Why anti aromatic compounds are very unstalbe, even conjugation of double bond is present there

Why anti aromatic compounds are very unstalbe, even conjugation of double bond is present there

Grade:11

1 Answers

ruchi yadav
askIITians Faculty 27 Points
10 years ago
Antiaromaticityis a characteristic of a cyclic molecule with ap electron systemthat has higher energy due to the presence of 4n electrons in it. Unlikearomaticcompounds, which followHückel's rule([4n+2] p electrons)and are highly stable, antiaromatic compounds are highly unstable and highly reactive. To avoid the instability of antiaromaticity, molecules may change shape, becoming non-planar and therefore breaking some of the p interactions.In contrast to thediamagnetic ring current present in aromatic compounds, antiaromatic compounds have a paramagnetic ring current.


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Ruchi
Askiitians faculty

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