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The decreasing order of acidic character...

The decreasing order of acidic character of the following is :
(I) `CH=CH`
.

A

`I gt II gt III`

B

`II gt I gt III`

C

`III gt II gt I`

D

`I gt III gt II`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Conjugate base of `I, II` and `III` :

`({:("Negative charge"),("on sp C atom"):})` Aromatic Anti-carpmaic
Stability and acidic character : `II gt I gt III`.
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