Chlorine released from chlorofluorocarbons (CFCs) reacts with ozone in the atmosphere to form oxygen. The proposed reactions are
1. Cl(g)+O3(g)=ClO(g)+O2(g)
2.ClO(g)+O2(g)=Cl(g)+O2(g)
Identify the species that acts as a catalyst and the one that acts as an intermediate in these reactions.
catalyst=
intermediate=