Question

How much coulumb is required to convert MnO4^- into Mn^+2

Comments

Please recheck your question

Answer 1

We can clearly see that oxidation number of Mn is 7 in MnO4^- and 2 in Mn^2+ . So the change occured=7-2 =5

Hence number of coulumbs required = 5 x 1faraday = 5 x 96,500

Hence 96,500 x 5 coulumbs are required.