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

The balanced reactions are as follows

2Fe2+ + UO2 2+ + 4H+ <-------> 2Fe3+ + U4+ + 2H2O

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

2V(OH)3 + O2 + 6OH- <-------------> 2VO4 3- + 6H2O

CH4 + 2SO4 2- + 4H+ <-----------------> CO2 + 2SO + 4H2O

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