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

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Chemistry JAMB 1984

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 checkmark
  • SO2 + H2O2 \(\to\) H2SO4

The correct answer is: D

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