9 Na2O2 + FeS2 → Na2FeO4 + 6 Na2O + 2 Na2SO4
This is an oxidation-reduction (redox) reaction:
2 S-I - 14 e- → 2 SVI (oxidation)
18 O-I + 18 e- → 18 O-II (reduction)
FeII - 4 e- → FeVI (oxidation)
FeS2 is a reducing agent, Na2O2 is an oxidizing agent, FeS2 is a reducing agent.
Reactants:
- Na2O2
- FeS2
Products: