Question
In which of the following reactions of H _2 O _2 acts as an oxidising agent (either in acidic, alkaline or neutral medium)? (i) 2 Fe ^ 2+ + H _2 O _2 ^ (ii) 2 MnO _4^ - +6 H ^ + +5 H _2 O _2 (iii) I _2+ H _2 O _2+2 OH ^ - (iv) Mn ^ 2+ + H _2 O _2