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which buffer solution has maximum pH?...

which buffer solution has maximum pH?

A

Mixture which is 0.1 M in `CH_3COOH` and 0.1 M `CH_3COONa`
`[pK_a (CH_3COOH)=4.74]`

B

Mixture which is 0.2 M in `CH_3COOH` and 0.2 M `CH_3COONa`

C

Mixture which is 0.1 M in `NH_4Cl` and 0.1 M in `NH_4OH [pK_a(NH_4^+=926)]`

D

All the solutions have equal pH which is 4.74

Text Solution

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The correct Answer is:
A
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