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pK(a) of NH(4)^(+) is 9.26. Hence, effec...

`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 .26

B

4.74 to 5.74

C

3.74 to 5.74

D

8.26 to 9.26

Text Solution

Verified by Experts

The correct Answer is:
A
`pK_(a)+pK_(b)=pK_(w)`
`pOH=pK_(b)pm1`
`pH=14-pOH`
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