Equivalent weight of `KMnO_(4)` acting as an oxidant in acidic medium is

The equivalent weight of KMnO_(4) in (a) neutral medium, (b) acidic medium and (c ) alkaline medium is M//.. ( where M is mol.wt. of KMnO_(4) )

The equivalent weight of KMnO_4 in a redox reaction in a neutral medium is .

A : Equivalent weight of KMnO_(4) in acidic medium is M/5 . R : In acidic medium 1 mol of MnO_(4)""^(-) gains 5 electron.