`H_(2)O_(2)` as oxidising agent in alkaline medium.
It oxidises manganese dioxide in the presence of an alkali
`MnSO_(4)+H_(2)O_(2)_2NaOH to MnO_(2)+Na_(2)SO_(4)+2H_(2)O`
`Mn^(2+)+H_(2)O_(2)+2OH^(-) to MnO_(2)+2H_(2)O`
`H_(2)O_(2)` as reducing agent in alkaline medium
It reduces potassium ferrricyanide to potassium ferrocyanide in the presence of an alkali
`Mn^(2+)+H_(2)O_(2)+2OH^(-) to MnO_(2)+2H_(2)O`
`2[Fe(CN)_(6)]^(3-)+2OH^(-)+H_(2)O_(2) to 2[Fe(CN)_(6)]^(4-)+O_(2)`