CSEC Chemistry · January 2011 · Paper 2 · Question 5(a)(i)

Sulphuric acid is prepared industrially via the Contact Process represented in Figure 5.

Describe the processes involved in converting sulphur to sulphur trioxide. In your response, a) identify A from Figure 5 b) include TWO balanced chemical equations for the reactions taking place at Steps I and II c) include the necessary reaction conditions for Step II.

This question uses a figure or table from the paper — you'll see it when you practise.