andie Posted January 7, 2007 Share Posted January 7, 2007 Hey! I need some help balancing the equation: C2O4 2-(aq) + MnO4 -(aq) --> Co2 (g) + MnO2(s) in a basic solution. I am not getting it right so i need some help determining it. I can do the reduction half- reaction , but not the oxidation half-reaction. PLEASE HELP! Link to comment Share on other sites More sharing options...
woelen Posted January 7, 2007 Share Posted January 7, 2007 In a basic solution, you won't have CO2(g), you'll get carbonate ion instead. The two half reactions are: C2O4(2-) + 4OH(-) ---> 2CO3(2-) + H2O + 2e MnO4(-) + 2H2O + 3e ---> MnO2 + 4OH(-) With this you should be able to write down the total ionic equation for this redox reaction. Link to comment Share on other sites More sharing options...
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