A-LevelChemistryNitrogen and sulfurMay/June 2015Paper 1 Q181 Mark
Carbon monoxide, CO, nitrogen dioxide, NO₂, and sulfur dioxide, SO₂, are all atmospheric pollutants. Which reaction concerning these compounds occurs in the atmosphere?
ACO is spontaneously oxidised to CO₂
BNO₂ is reduced to NO by CO
CNO₂ is reduced to NO by SO₂
DSO₂ is oxidised to SO₃ by CO₂
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The correct answer is C. This question tests the candidate's understanding of nitrogen and sulfur within the Chemistrysyllabus. The examiner's mark scheme requires...
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