1.

Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium ?(A) HOCI + H2O2 → H3O++ CI- + O2(B) PbS + 4H2O2 → PbSO4 + 4H2O(C) 2MnO-4, +3H2O2, → 2MnO2, +302, +2H2O + 2OH- (D) PbS + 4H2O2 → PbSO4 + 3H2O

Answer»

(C) 2MnO-4, +3H2O2, → 2MnO2, +302, +2H2O + 2OH- 

In option (A) and (C) reducing action of hydrogen peroxide is shown. 

In option (A) it is in acidic medium, in option (B) it is in basic medium. 

or 

For reducing ability H2O2 changes to O2 , i.e. oxidize , so in option 'A' & 'C' O2 is formed but 'A' is in acidic medium so option - C correct.



Discussion

No Comment Found

Related InterviewSolutions