Answer to Question #235639 in General Chemistry for spence

Question #235639

Write the balanced ionic equation for the reaction of acidified H2O2 with MnO4- ions.

Expert's answer

H2O2(aq) ==> 2 H+(aq) + 2 e- + O2(g) [x5]

MnO4-(aq) + 8 H+(aq) + 5 e- ==>Mn++(aq) + 4 H2O(l) [x2]

6 H+(aq) + 5 H2O2(aq) + 2 MnO4-(aq) ==> 2 Mn++(aq) + 5 O2(g) + 8 H2O(l)

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