1.

The number of mole of oxalate ions oxidised by one mole of `MnO_(4)^(-)` ion is:A. `1//5`B. `2//5`C. `5//2`D. `5`

Answer» Correct Answer - C
`[Mn^(7+)+5e rarr Mn^(2+)] xx 2`
`[(C^(3+))_(2) rarr 2C^(4+) + 2e] xx 5`


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