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Solution of 0.1 N NH(4)OH and 0.1 N NH(4...

Solution of `0.1 N NH_(4)OH` and `0.1 N NH_(4)Cl` has `pH 9.25`, then find out `pK_(b)` of `NH_(4)OH`.

A

`9.25

B

4.75

C

3.75

D

8.25

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The correct Answer is:
B
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