The species that undergoes disproportionational is an alkaline medium are

Options

A. `Cl_(4)`
B. `MnO_(4)^(2-)`
C. `NO_(2)`
D. `ClO_(4)^(-)`

Answer

A, B, C

Explanation

`MnO_(4)^(2-), Cl_(2) and NO_(2)` undergo disproportional, oxidation and reduction simultaneously take place in the alkaline mediujm.
`Cl_(2)+2NaOH to NaCl +NaOCl+H_(2)O`
`2NO_(2)+2NaOH to NaNO_(2)+NaNO_(3)+H_(2)O`
`MnO_(4)^(2-)` is stable in strong alkali solution and disproportionate into `MnO_(4)^(-) and MnO_(2)` is less basic, Acidic and Neutral medium.