A-LevelChemistryNitrogen and sulfurOct/Nov 2014Paper 1 Q181 Mark
Total removal of the pollutant sulfur dioxide, SO₂, is difficult. The quantities emitted from furnace chimneys can be lowered by using desulfurisation plants. The gases are reacted with calcium hydroxide to remove the SO₂. What is the main product formed initially?
ACa(HSO₄)₂
BCaS
CCaSO₃
DCaSO₄
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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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