MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryEnvironmental ChemistryAtmosphere Pollution

Which of the following pollutant(s)catalyse(s) the oxidation of sulphur dioxide to sulphur trioxide?

A.Particulate matter✓ Correct

B.CO2

C.NO2

D.All of the above

Explanation

Uncatalysed oxidation of SO2 is slow. However, the presence of particulate matter in polluted air catalyses the oxidation of SO2 to SO3. 2 2 3 2SO (g)+O (g) 2SO (g) ->

Back to Question Bank

Practice More Like This

Take chapter-wise tests, track your progress, and master Environmental Chemistry.

Start Free Practice →