JEE Advance - Chemistry (1997 - No. 8)
Give reactions for the oxidation of hydrogen peroxide with potassium permanganate in acidic medium.
2KMnO4 + 3H2SO4 + 5H2O2 -> K2SO4 + 2MnSO4 + 8H2O + 5O2
MnO4- + 8H+ + 5e- -> Mn2+ + 4H2O
H2O2 -> O2 + 2H+ + 2e-
MnO4- + 4H+ + 3e- -> MnO2 + 2H2O
H2O2 + 2H+ + 2e- -> 2H2O
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