AP and TS EAMCET Engineering Model Paper 6

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Question : 126 of 160

Marks: +1, -0

In which of the following reactions, H‌2O‌2 acts as a reducing reagent?

PbS(s)+4H2O2(aq)
H+
→
PbSO4(s)+4H2O(l)
HOCl+H2O2
H+
→
H3O+Cl−+O2
Mn2++H2O2
OH−
→
Mn4++2OH−
2Fe2++H2O2
OH−
→
2Fe3++2OH−

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