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Solution of 0.1 N NH4OH and 0.1 NH4Cl h...

Solution of 0.1 N `NH_4OH` and `0.1 NH_4Cl` has has pH 9.25 Then `pK_b` of `NH_4OH` is

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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