Question

7.
In which of the following reactions, H2O2 acts as a
reducing reagent?
[M-2014]

1) PbS(s) + 4H2O2(aq)-->
PbSO4(s) + 4H2O(1)

2) HOCI + H2O2-->
H3O+ + Cl- + O2

3) Mn2+ + H2O2--->
+ Mn4+ + 2OH

4)2Fe2+ + H2O2--->
2Fe3+ + 2OH-

why the answer is not 1st option
​

Answer 1

Answer:

2) HOCI + H2O2-->H3O+ + Cl- + O2