ElectrochemistryHard

Question

The reduction potential of hydrogen electrode when placed in a buffer solution is found to be - 0.413V. The pH of the buffer is -

Options

A.10
B.4
C.7
D.12

Solution

- 0.413 = 0 - 0 .059 log or   = - log  H+ = pH        or     pH = 7

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