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Which of the following is the correct or...

Which of the following is the correct order of stability of the
following compounds `?`

A

`(I)gt(II)gt(III)`

B

`(III)gt(II)gt(I)`

C

`(II)gt(I)gt(III)`

D

`(I)gt(III)gt(II)`

Text Solution

Verified by Experts

The correct Answer is:
a
`(I) implies` aromatic , `(II)=` non`-` aromatic `(4 pi bar(e)s` but not in delocalisation).
`(III)implies` anti`-`aromatic `(4 pi bar(e)s` but in delocalisation). So the order of stability is `: (I)gt(II)gt(III)`.
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  7. Which of the following is anti- aromatic in nature ?

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