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Edexcel A-Level Chemistry A2 17.29 How a Catalytic Converter Decreases Carbon Monoxide and Nitrogen Monoxide Emissions From Internal Combustion Engines By I Questions

Practise Edexcel IAL Chemistry 17.29 by explaining platinum surface adsorption, bond weakening, pollutant reactions and product desorption, then comparing the converter with V2O5 catalysis.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
A2

Exam points

  • Describe CO or NO adsorption onto the platinum catalyst surface in the converter.
  • Explain bond weakening, surface reaction and desorption of CO2 or N2 products.
  • Compare platinum converter catalysis with V2O5 catalyst cycling when prompted.

Edexcel A-Level Chemistry A2 17.29 How a Catalytic Converter Decreases Carbon Monoxide and Nitrogen Monoxide Emissions From Internal Combustion Engines By I Questions question 1

[Maximum number: 1]

Which of the following is not true of the reactions occurring in the catalytic converter fitted to a car exhaust?

A

they involve heterogeneous catalysis

B

carbon monoxide is adsorbed onto the surface of the catalyst

C

nitrogen is desorbed from the surface of the catalyst

D

the products cause no harm to the environment

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