ElectrochemistryHard

Question

How many faradays are required to reduce one mol of MnO₄^- to Mn²⁺ -

Options

A.1

B.2

C.3

D.5

Solution

8H⁺ + 5e^- + MnO₄^- → Mn⁺² + 4H₂O
(1 mole)
5 mole e^- = 5 Faraday.

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