Video: Permanganate ion as an oxidizing agent III
Purple permanganate ion oxidizes hydrogen peroxide in basic solution (in which it is present as the HO2- ion) to oxygen, itself being reduced to a precipitate of deep brown manganese(IV) oxide.MnO4-(aq) + 2 H2O(l) + 3 e- ® MnO2(s) + 4 OH-(aq)
HO2-(aq) + OH-(aq) ® O2(g) + H2O(l) + 2 e-