To an acidic solution of an anion, a few drops of `Kmno_(4)` solution are added. Which of the following, if present, will not decolourise the `KMnO_(4)` solution?A. `CO_(3)^(2-)`B. `NO_(2)^(ө)`C. `S^(2-)`D. `Cl^(ө)`

To an acidic solution of an anion, a few drops of `Kmno_(4)` solution

1.	To an acidic solution of an anion, a few drops of `Kmno_(4)` solution are added. Which of the following, if present, will not decolourise the `KMnO_(4)` solution?A. `CO_(3)^(2-)`B. `NO_(2)^(ө)`C. `S^(2-)`D. `Cl^(ө)`
Answer» Correct Answer - A Oxidation state of `C` in `CO_(3)^(2-)` is `+4`, which is maximum. So, it will not be oxidised.

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To an acidic solution of an anion, a few drops of `Kmno_(4)` solution are added. Which of the following, if present, will not decolourise the `KMnO_(4)` solution?A. `CO_(3)^(2-)`B. `NO_(2)^(ө)`C. `S^(2-)`D. `Cl^(ө)`

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