1.

How many faraday are required to reduce one mol of `MnO_(4)^(-)` to `Mn^(2+)`:A. 1B. 2C. 3D. 5

Answer» Correct Answer - D
`8H^(+)+5e^(-)+underset((1"mole"))MnO_(4)^(-)toMn^(+2)+4H_(2)O`
5 mole `e^(-)=5` faraday.


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