5 ([Fe(CN)6])4- + 61 MnO4- + 188 H+ → 30 NO3- + 5 (Fe)3+ + 61 (Mn)2+ + 30 CO2 + 94 H2O
This is an oxidation-reduction (redox) reaction:
61 MnVII + 305 e- → 61 MnII (reduction)
30 CII - 60 e- → 30 CIV (oxidation)
30 N-III - 240 e- → 30 NV (oxidation)
5 FeII - 5 e- → 5 FeIII (oxidation)
MnO4- is an oxidizing agent, [Fe(CN)6]4- is a reducing agent, [Fe(CN)6]4- is a reducing agent, [Fe(CN)6]4- is a reducing agent.