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The decreasing order of pKa value of the...

The decreasing order of `pK_a` value of the following is : (I)

A

`III gt I gt II`

B

`II gt I gt III`

C

`I gt III gt II`

D

`I gt II -= III`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) The decreasing order of `pK_a` value : `II gt I gt III`

The more stable is the `C_B`, The stronger is the acidic strength (lower `pK_a`).
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