In which of the following reactions, H_(2)O_(2) acts as a reducing rea

1.	In which of the following reactions, H_(2)O_(2) acts as a reducing reagent ?
Answer» `PbS_((s))+4H_(2)O_(2(aq))overset(H^(-))(to)PbSO_(4(s))+4H_(2)O_((L))` `HOCl+H_(2)O_(2)overset(H^(-))(to)H_(3)O^(+)+Cl^(-)+O_(2)` `MN^(2+)+H_(2)O_(2)overset(HO^(-))(to)Mn^(4+)+2OH^(-)` `2Fe^(2+)+H_(2)O_(2)overset(OH^(-))(to)2Fe^(3+)+2OH^(-)` Answer :B

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