A hydrogen electrode is dipped in a solution at `25^(@)C`. The potential of cell is `-0.177 V`. Calcualte the `pH` of the solution.
A hydrogen electrode is dipped in a solution at `25^(@)C`. The potential of cell is `-0.177 V`. Calcualte the `pH` of the solution.
A. 0.177 V
B. `-0.177 V `
C. 0.087 V
D. 0.059 V
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Correct Answer - B
`E_(RP) = E_(RP)^(@) + (0.0592)/(1) "log"_(10) [H^(+)]`
`= 0 + 0.0592 xx (-3) = -0.177` V
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