Example of the heterogeneous catalytic reaction
Co+O2NO−−→2CO2
2SO2+O2NO−−→SO3
2H2+O2Pt−→2H2O
2H2O2FeO3(aq)−−−−−→2H2O+O2
Reactions in which reactants and catalyst are in different phase are called heterogeneous catalysis
An example of auto-catalytic reaction