In which of the following reactions does hy..

Question 1 Report

In which of the following reactions does hydrogen peroxide act as a reducing agent?

H2S + H2O2

\to

S + 2H2O

PbSO3 + H2O2

\to

PbSO4 + H2O

2I+ 2H+ + H2O2

\to

I2 + 2H2O

PbO2 + 2HNO3 + H2O2

\to

Pb(NO3)2 + 2H2O + O2

SO2 + H2O2

\to

H2SO4