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Equal volumes of following solutions are...

Equal volumes of following solutions are mixed. In which case the pH of resulting solution will be average value of pH of two solutions?

A

`pH=2(HCl)and pH=12(NaOH)`

B

`pH=2(HCl)and pH=4(HCl)`

C

`pH=2(HCN)and pH=12(NaOH)(K_(a)of HCN=10^(-10))`

D

`pH=5(CH_(3)COOH)and pH=9(NH_(3))(aq)(K_(a)of HCN=10^(-10))`

Text Solution

Verified by Experts

The correct Answer is:
A, D
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