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Arrange the following compounds in incre...

Arrange the following compounds in increasing order of polarity

A

`I lt II lt III`

B

`III lt II lt I`

C

`II lt I lt III`

D

`III lt I lt II`

Text Solution

Verified by Experts

The correct Answer is:
C
Polarity of carbonyls is mainly due to following charge separation

II forms anti-aromatic cation on charge separation, has least tendency for charge separation-least polar.
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