Question

Identifiy oxidation and reduction reactions in the following redox reaction
PbS + 4H2O2 = PbSO4 + 4H2O
Also identify,
1.the substance oxidized
2.the substance reduced
3.the oxidising agent
4.the reducing agent

Answer 1

oxidation reaction is pbs= pbso4

reduction reaction is 4H2O2= 4H2O

1. pbs

2. H2O2

3.H2O2

4. pbs