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Explain why does coloure of KMnO_(4) disppear when oxalic acid is added to its solution in acidic medium. |
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Answer» Solution :`KMnO_(4)` oxidizes OXALIC acid to `CO_(2)`and HALF is reduced to `Mn^(2+)` which is colourless. `underset("(Coloured)")(2MnO_(4)^(-)) + 16H^(+) + 5C_(2) O_(4)^(2-) rarr underset("(Colourless)")(2Mn^(2+))+ 8 H_(2)O + 10 CO_(2)` |
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