Complete and balance the following oxidation-reduction equations. Add OH - , H +

Question

Complete and balance the following oxidation-reduction equations. Add OH-, H+ to the reactants and H2O to the products as needed.

                Fe++ + UO2++ <----> Fe3+ + U4+                                    (strongly acid solution)

                Cl- + MnO4- <----> Cl2 + MnO2                                   (weakly acid solution)

                V(OH)3 + O2 <----> VO4-3                                             (basic solution)

                CH4 + SO4= <----> CO2 + So                                           (acid solution)

Explanation / Answer

2 Fe2+ + UO22+ + 4 H+ = 2 Fe3+ + U4+ + 2 H2O

6 Cl- + 2 MnO4- + 8 H+ = 3 Cl2 + 2 MnO2 + 4 H2O

2 V(OH)3 + O2 + 6 OH- = 2 VO43- + 6 H2O

CH4 + 4 SO42- + 8 H+ = CO2 + 4 SO2 + 6 H2O

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