Chemistry 0620 · IGCSE · Redox

Redox — practice question

Oxides of nitrogen are produced in car engines and then removed by catalytic converters. Which equation shows a reaction taking place in a catalytic converter?

  • A$\text{CO} + \text{NO}_2 \rightarrow \text{NO} + \text{CO}_2$
  • B$2\text{CO} + 2\text{NO} \rightarrow \text{N}_2 + 2\text{CO}_2$
  • C$\text{CO}_2 + \text{NO} \rightarrow \text{NO}_2 + \text{CO}$
  • D$\text{CO}_2 + 2\text{NO}_2 \rightarrow \text{N}_2 + 3\text{O}_2 + \text{C}$

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