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In the reaction of oxalate with permanga...

In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of `CO_(2)` is

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`C_(2)O_(4)^(2-) + MnO_(4)^(-)`
Oxidation half `C_(2)O_(4)^(2-) rarr 2CO_(2) + 2e^(-)`
2e for 2 mole `CO_(2)` produced
1e for 1 mole `CO_(2)` produced
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