K(b) for NH(4)OH is 1.81xx10^(-5). The p...

`K_(b)` for `NH_(4)OH` is `1.81xx10^(-5)`. The pH of `0.01 M NH_(4)Cl` solution at `25^(@)C` is :

`4.82`

`3.93`

`5.63`

`4.26`

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