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`pK_(a)` of `NH_(4)^(+)` is 9.26. Hence, effective range for `NH_(4)OH-NH_(4)Cl` buffer is about pH:A. 8 .26 to 10 .26B. 4.74 to 5.74C. 3.74 to 5.74D. 8.26 to 9.26 |
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Answer» Correct Answer - A `pK_(a)+pK_(b)=pK_(w)` `pOH=pK_(b)pm1` `pH=14-pOH` |
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