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Arrange the following in their decreasin...

Arrange the following in their decreasing order of acidity.
(I)
(III)
(IV) `NH_3`.

A

`III gt IV gt I gt II`

B

`I gt II gt III gt IV`

C

`IV gt III gt II gt I`

D

`II gt III gt I gt IV`

Text Solution

Verified by Experts

The correct Answer is:
A
(a) (III) `+ I` effect of two `Me` groups `gt (IV)` standard `(NH_3) gt (I) EWG (C = O)` group `gt (II) EWG` two `(C = O)` groups.
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