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For the redox reaction, MnO(4)^(-) + C...

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 are

A

`{:(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,):}`

Text Solution

Verified by Experts

The correct Answer is:
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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