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Sulfuric Acid · CAPE Chemistry Unit 2

35 past-paper questions on Sulfuric Acid, part of Industry and the Environment, from every CAPE Chemistry Unit 2 paper on Quelpr.

Practise Sulfuric Acid
  1. 8(a)(i)8 marks· CAPE Chemistry Unit 2 · 2005 · Paper 2Describe the Contact Process for the manufacture of sulphuric acid, including the raw material sources and the chemistry of the process.
  2. 4(a)(i)2 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2State Le Chatelier's principle.
  3. 4(a)(ii)2 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2Give TWO characteristic features of a system in dynamic equilibrium.
  4. 4(a)(iii)1 mark· CAPE Chemistry Unit 2 · 2006 · Paper 2Write an expression for the equilibrium constant, K_p, for the equilibrium system described.
  5. 4(a)(iv)2 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2The equilibrium constant, K_p, for this reaction is 4.0 × 10¹⁹ Pa⁻¹ at 25 °C. Use the value of K_p to comment on the position of equilibrium at 25 °C and the relative equilibrium concentration of reactants and products.
  6. 4(b)(i)3 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2Using Le Chatelier's principle, predict and explain how the position of equilibrium and the concentration of reactants and products are affected when the temperature is increased while pressure is kept constant.
  7. 4(b)(ii)3 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2Using Le Chatelier's principle, predict and explain how the position of equilibrium and the concentration of reactants and products are affected when the pressure is increased while temperature is kept constant.
  8. 4(b)(iii)2 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2Using Le Chatelier's principle, predict and explain how the position of equilibrium and the concentration of reactants and products are affected by using a catalyst.
  9. 4(c)5 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2When a 2:1 mixture of SO₂(g) and O₂(g) at a total initial pressure of 5 atm is passed over a catalyst at 425 °C, the partial pressure of SO₃(g) at equilibrium is found to be 3 atm. Calculate the value of K_p.
  10. 6(b)(i)6 marks· CAPE Chemistry Unit 2 · 2006 · Paper 2A brown solid, J, heated with concentrated sulphuric acid reacts to give a white solid, K, and a colourless, odourless gas, L, which relights a glowing splint. J reacts with aqueous manganese(II) nitrate in the presence…
  11. 6(c)3 marks· CAPE Chemistry Unit 2 · 2009 · Paper 2Discuss the function of SO2 in food preservation, including ONE disadvantage.
  12. Q391 mark · multiple choice· CAPE Chemistry Unit 2 · 2012 · Paper 1Compounds of sulphur such as sulphites are used as food additives. This is because they
  13. Q401 mark · multiple choice· CAPE Chemistry Unit 2 · 2012 · Paper 1Which of the following industries use sulphuric acid? I. Fertilizer II. Paint III. Fibre IV. Detergent
  14. 6(d)(ii)1 mark· CAPE Chemistry Unit 2 · 2012 · Paper 2Give ONE reason (other than the production of acid rain) why sulphur dioxide is considered to be a pollutant.
  15. Q361 mark · multiple choice· CAPE Chemistry Unit 2 · 2013 · Paper 1In the production of sulfuric acid by the Contact Process, the following exothermic reaction takes place: 2\text{SO}_2\text{(g)} + \text{O}_2\text{(g)} \xrightarrow{\text{V}_2\text{O}_5} 2\text{SO}_3\text{(g)} Which…
  16. Q361 mark · multiple choice· CAPE Chemistry Unit 2 · 2014 · Paper 1In the production of sulfuric acid by the Contact process, the following exothermic reaction takes place: 2\text{SO}_2(\text{g}) + \text{O}_2(\text{g}) \xrightarrow{\text{V}_2\text{O}_5,\, 420\,^\circ\text{C},\,…
  17. Q371 mark · multiple choice· CAPE Chemistry Unit 2 · 2014 · Paper 1Compounds of sulfur such as sulfites are used as food additives because they
  18. Q381 mark · multiple choice· CAPE Chemistry Unit 2 · 2014 · Paper 1In which of the following industries is sulfuric acid used in the development of their products? I. Fertilizer II. Paint III. Fibre IV. Detergent
  19. 3(a)3 marks· CAPE Chemistry Unit 2 · 2015 · Paper 2List the THREE ways in which the rate of SO3 production can be improved.
  20. 3(b)(i)1 mark· CAPE Chemistry Unit 2 · 2015 · Paper 2State Le Chatelier's principle.
  21. 3(b)(ii)2 marks· CAPE Chemistry Unit 2 · 2015 · Paper 2State the general conditions of temperature and pressure predicted by Le Chatelier's principle to obtain the MAXIMUM yield of SO3.
  22. 3(b)(iii)2 marks· CAPE Chemistry Unit 2 · 2015 · Paper 2Describe how the sulfur trioxide produced is converted to concentrated sulfuric acid.
  23. 3(b)(iv)4 marks· CAPE Chemistry Unit 2 · 2015 · Paper 2Write TWO equations to represent the process described in (b)(iii).
  24. 3(b)(v)3 marks· CAPE Chemistry Unit 2 · 2015 · Paper 2Outline the safety considerations that guide the process in (b)(iii).
  25. Q371 mark · multiple choice· CAPE Chemistry Unit 2 · 2016 · Paper 1Compounds of sulfur such as sulfites are used as food additives because they
  26. 3(a)2 marks· CAPE Chemistry Unit 2 · 2016 · Paper 2Sulfur dioxide and sulfur trioxide can cause acid rain if allowed to escape during the Contact Process. Write an equation to represent the formation of acid rain by ONE of these compounds.
  27. Q401 mark · multiple choice· CAPE Chemistry Unit 2 · 2017 · Paper 1In one of the steps involved in the manufacture of sulfuric acid, sulfur dioxide and oxygen are mixed to form sulfur trioxide according to the following equation 2\text{SO}_2(\text{g}) + \text{O}_2(\text{g})…
  28. 3(b)(i)5 marks· Chemistry · Unit 2 Q3 3(b)(i)With the aid of equations, outline the first TWO steps in the Contact process.
  29. 3(b)(i)3 marks· Chemistry · Unit 2 Q3 3(b)(i)Starting with sulfur, list the THREE main processes which occur during the production of sulfuric acid.
  30. 3(b)(ii)1 mark· Chemistry · Unit 2 Q3 3(b)(ii)Give an example of the use of an oxide of sulfur in the food industry.
  31. 3(b)(ii)5 marks· Chemistry · Unit 2 Q3 3(b)(ii)Using an appropriate equation, apply the principles of chemical equilibrium to deduce the theoretical conditions for the formation of sulfur trioxide.
  32. 3(b)(iii)2 marks· Chemistry · Unit 2 Q3 3(b)(iii)State TWO environmental concerns associated with sulfur dioxide.
  33. 3(b)(iii)5 marks· Chemistry · Unit 2 Q3 3(b)(iii)Discuss the actual conditions used in the formation of sulfur trioxide in the contact process. Your response should include conditions of temperature, conditions of pressure, suitability of any catalyst(s) used.
  34. 3(b)(iv)1 mark· Chemistry · Unit 2 Q3 3(b)(iv)State ONE impact of the sulfuric acid industry on the environment.
  35. 6(c)(iii)2 marks· Chemistry · Unit 2 Q6 6(c)(iii)Sulfur is a non-metal that burns in air to produce a gas product that dissolves in water to give a colourless solution. Identify the gas formed and state the effect that the solution would have on blue litmus paper.

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