$A$ weak acid of dissociation constant $10^{-5}$ is being titrated with aqueous $NaOH$ solution. The $pH$ at the point of one-third neutralization of the acid will be
- A$5 + \log 2 - \log 3$
- B$5 - \log 2$
- C$5 - \log 3$
- D$5 - \log 6$
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MediumKVPY 2017
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