1.

For the redox reaction, `MnO_(4)^(-) + C_(2)O_(4)^(2-) + H^(+) rarr Mn^(2+) + CO_(2) + H_(2)O` the correct coefficients of the reactants for the balanced reaction areA. `{:(MnO_(4)^(-),C_(2)O_(4)^(2-),H^(+),),(2,5,16,):}`B. `{:(MnO_(4)^(-),C_(2)O_(4)^(2-),H^(+),),(16,5,2,):}`C. `{:(MnO_(4)^(-),C_(2)O_(4)^(2-),H^(+),),(5,16,2,):}`D. `{:(MnO_(4)^(-),C_(2)O_(4)^(2-),H^(+),),(2,16,5,):}`

Answer» Correct Answer - A
`MnO_(4)^(-) + 8H^(+) + 5e^(-) rarr Mn^(2+) + 4H_(2)O] xx 2`
`C_(2)O_(4)^(2-) rarr 2CO_(2) + 2e^(-) xx 5`
`2MnO_(4)^(-) + 5C_(2)O_(4)^(2-) + 16H^(+) rarr 2Mn^(2+) + 10 CO_(2) + 8H_(2)O`
Thus, the coefficient of `MnO_(4)^(-), C_(2)O_(4)^(2-)` and `H^(+)` in the above balanced equation respectively are 2, 5, 16


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