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pH when equal volume of 0.1 M HA (Ka=10^...

pH when equal volume of 0.1 M HA `(K_a=10^(-5))` and 1 M HB `(K_a=10^(-6))` are mixed ?

A

3+ log 2

B

3-`1/2` log 2

C

3+`1/2` log 2

D

3

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Verified by Experts

The correct Answer is:
d
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