The reduction potential of hydrogen electrode when placed in a buffer solution is found to be `-0.413V`. The pH of the buffer is
A. 10
B. 4
C. 7
D. 12

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1 Answers

Correct Answer - C
`-0.413=0.059log((1)/([H^(+)]))` or `(0.414)/(0.059)=-logH^(+)=pH` or `pH=7`

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