2 Cr2O3 (s) + 3 O2 (g) + 4 Na2CO3 (aq) → 4 Na2CrO4 (aq) + 4 CO2 (g)
This is an oxidation-reduction (redox) reaction:
4 CrIII - 12 e- → 4 CrVI (oxidation)
6 O0 + 12 e- → 6 O-II (reduction)
Cr2O3 is a reducing agent, O2 is an oxidizing agent.
This is an oxidation-reduction (redox) reaction:
4 CrIII - 12 e- → 4 CrVI (oxidation)
6 O0 + 12 e- → 6 O-II (reduction)
Cr2O3 is a reducing agent, O2 is an oxidizing agent.
Reactants:
Products: