Question

4 Catalytic converters can remove carbon monoxide.

a Give a word equation for the reaction that takes place.
b What is the purpose of the transition elements?

Answer 1

a) CO+O2→CO2.

b) Copper is an ideal example of a transition metal with its variable oxidation states Cu2+ and Cu3+. The incomplete d-orbital allows the metal to facilitate exchange of electrons. Transition metals can both give and accept electrons easily, thereby making them favourable as catalysts.

Step-by-step explanation: