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Which of the following order represent ...

Which of the following order represent acidic strenght of (I) benzoic acid. (II) 4-nitrobenzoic acids. (III) 3,4- dinitro benzoic acid and (IV) 4-methoxy benzoic acid ?

A

`I lt I lt III lt IV`

B

`IV lt I lt II lt III`

C

`II lt III lt I lt IV`

D

`IV lt II lt III lt I`

Text Solution

Verified by Experts

The correct Answer is:
B
Increasing order of acidic strength is 4-methoxy bezoic acid `lt` benzoic acid `lt` 4-nitrobenzoic acid `lt3,4`- dinitrobenzoic acid.
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