`NO_2^(-)` is oxidised to `N_2`/`NO_3^(-)` by acidified `KMnO_4`.

Give the oxidation of Na_2SO_3 by acidified KMnO_4 .

Write the oxidation of H_2S by acidified KMnO_4 .

NO_2^+ is called

NO_2 is not obtained on heating

The reaction of acidified KMnO_4 with H_2O_2 gives .

The answer to each of the following questions is a single- digit-integer ranging from 0 to 9. Darken the correct digit. Acidified KMnO_4 oxidises H_2O_2 to H_2O and O_2 . The coefficient of H_2O_2 in the balanced chemical reaction of KMnO_4 with H_2O_2 in the presence of dil H_2SO_4 is

The answer to each of the following questions is a single- digit -integer ranging from 0 to 9. Darken the correct digit. Acidified KMnO_4 oxidises H_2O_2 to H_2O and O_2 . The coefficient of H_2O_2 in the balanced chemical reaction of KMnO_4 with H_2O_2 in the presence of dil H_2SO_4 is