Chemistry 0620 · IGCSE · Redox

Redox — practice question

When petrol burns in a car engine, nitrogen monoxide is formed. The exhaust gases from the car engine are sent through a catalytic converter. Inside the catalytic converter, nitrogen monoxide reacts with carbon monoxide to produce nitrogen and carbon dioxide. Which statement is incorrect?

  • ACarbon monoxide is oxidised in the catalytic converter.
  • BCarbon monoxide is produced by the complete combustion of petrol.
  • CNitrogen monoxide is formed by the reaction of nitrogen and oxygen.
  • DNitrogen monoxide is reduced in the catalytic converter.

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