Find the number of moles of `KMnO_(4)` needed one mole `Cu_(2)S` in acidic medium.
The reaction is `KMnO_(4) + Cu_(2)S rarr M n^(2+) + Cu^(2+) + SO_(2)`

Find the number of moles of KMnO_(4) needed to oxidise one mole Cu_(2)S in acidic medium. The reaction is KMnO_(4) + Cu_(2)S rarr M n^(2+) + Cu^(2+) + SO_(2)

The number of moles of KMnO_(4) reduced by one mole of Kl in alkaline medium is :

The number of moles of H_(2)O_(2) needed to reduce 2 mole of KMnO_(4) in acidic medium is.

The number of moles of KMnO_4 required to oxidise one mole of FeC_2O_4 in an acidic medium is

The number of moles of KMnO_(4) required to oxidise 1 mol of Fe(C_(2)O_(4)) in acidic medium is

The number of moles of KMnO_(4) required to oxidise 1 mol of Fe(C_(2)O_(4)) in acidic medium is