Chemistry 0620 · IGCSE · Redox

Redox — practice question

Nitrogen monoxide is formed in a car engine when petrol is burnt. The exhaust gases from the car engine are sent through a catalytic converter. Inside the catalytic converter, the nitrogen monoxide, NO, reacts with carbon monoxide, CO, to produce nitrogen and carbon dioxide. Which statement is not correct?

  • 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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