Reactivity and Extraction of Metals · CSEC Chemistry

62 past-paper questions on Reactivity and Extraction of Metals, part of Inorganic Chemistry, from every CSEC Chemistry paper on Quelpr.

1. 1(a)(i)a)2 marks· Chemistry Q1 1(a)(i)a)Describe what would be observed in the polystyrene cup in Figure 1.
2. 1(a)(i)b)1 mark· Chemistry Q1 1(a)(i)b)What does the observation you described in a) above indicate about the relative positions of zinc and copper in the reactivity series?
3. 1(a)(v)2 marks· Chemistry Q1 1(a)(v)Another group of students performs a similar experiment but uses silver instead of zinc. No temperature change is observed. Account for this observation.
4. 1(e)(i)1 mark· Chemistry Q1 1(e)(i)With which granules, zinc or magnesium, will Experiment 1 be more reactive?
5. 2(a)(ii)4 marks· Chemistry Q2 2(a)(ii)Of the elements magnesium and copper, magnesium will more readily oxidize an aqueous solution of zinc ions than copper will.
6. 2(b)2 marks· Chemistry Q2 2(b)Describe what is observed with regard to the chemical reaction that occurs in the test tube.
7. 2(c)4 marks· Chemistry Q2 2(c)Explain the observations from BOTH experiments.
8. 2(c)(iv)4 marks· Chemistry Q2 2(c)(iv)Based on the information given in Table 3, arrange the elements Mg, X and Y in order of decreasing activity. Explain your answer.
9. 3(a)2 marks· Chemistry Q3 3(a)Arrange Metals A, B, D and E in order of reactivity with the MOST reactive FIRST.
10. 3(d)4 marks· Chemistry Q3 3(d)With reference to their positions in the reactivity series, suggest a suitable method of extraction of Metals A and E. Give a reason for your answer in EACH case.
11. 4(b)(i)3 marks· Chemistry Q4 4(b)(i)Identify from Table 3: ONE element which can be extracted from its oxide by electrolytic reduction but NOT chemical reduction with coke. Give a reason for your answer.
12. 4(b)(ii)3 marks· Chemistry Q4 4(b)(ii)Identify from Table 3: TWO elements, one of which will displace the other from a solution containing its ions. Write an ionic equation to illustrate your answer.
13. 5(a)1 mark· Chemistry Q5 5(a)Write the chemical formula for ONE ore of iron.
14. 5(a)(i)2 marks· Chemistry Q5 5(a)(i)Write a balanced equation with state symbols for the reaction that occurs between zinc and the copper(II) sulfate solution.
15. 5(a)(i)2 marks· Chemistry Q5 5(a)(i)Use the information given to place Metal X, copper and iron in the order in which they will appear in the reactivity series, starting with the MOST reactive.
16. 5(a)(i)6 marks· Chemistry Q5 5(a)(i)Describe the process for obtaining iron from its ore. In your description, identify the materials used and include a chemical equation to show how iron is produced.
17. 5(a)(ii)4 marks· Chemistry Q5 5(a)(ii)Explain why the zinc foil reacted with the copper(II) sulfate solution but the silver foil did not.
18. 5(a)(ii)1 mark· Chemistry Q5 5(a)(ii)Carbon and carbon monoxide are both able to reduce the oxide ore to produce iron. Suggest a suitable explanation why carbon monoxide is used to reduce the iron ore instead of carbon.
19. 5(a)(iii)2 marks· Chemistry Q5 5(a)(iii)Would aluminium displace copper from the copper(II) sulfate solution? Give a reason for your answer.
20. 5(b)8 marks· Chemistry Q5 5(b)Outline the steps involved in the extraction of iron from its ore. Write a balanced chemical equation for EACH step.
21. 5(b)(i)b)2 marks· Chemistry Q5 5(b)(i)b)Write a suitable equation for the reaction between M and aqueous aluminium ions.
22. 5(b)(ii)3 marks· Chemistry Q5 5(b)(ii)Suggest a suitable method for extracting Metal M from its ore and explain your answer.
23. 5(b)(ii)2 marks· Chemistry Q5 5(b)(ii)Explain why M is more reactive with dilute acid than R.
24. 5(c)(iii)1 mark· Chemistry Q5 5(c)(iii)State a reason why it is more likely to find R rather than T combined with other substances in nature.
25. 5(d)3 marks· Chemistry Q5 5(d)Account for the differences between the reactivities of the oxides of the metals A and B.
26. 6(a)(i)5 marks· Chemistry Q6 6(a)(i)Briefly describe the extraction of aluminium from its named ore. Include in your description ONE ionic equation.
27. 6(a)(i)4 marks· Chemistry Q6 6(a)(i)Arrange the metals A, B and Fe in order of reactivity from LEAST reactive to MOST reactive. Write a balanced chemical equation to show the reaction between metal A and Fe²⁺ ions.
28. 6(a)(ii)2 marks· Chemistry Q6 6(a)(ii)Although aluminium ore is mined in the Caribbean, the extraction of aluminium usually takes place in other countries. Suggest ONE reason why it may be difficult to extract aluminium in the Caribbean.
29. 6(a)(ii)5 marks· Chemistry Q6 6(a)(ii)Metal A is placed in a solution of copper(II) sulfate, CuSO₄ (aq). Write an equation for the reaction. State ONE observable change that will occur and explain why this reaction takes place.
30. 6(a)(iii)4 marks· Chemistry Q6 6(a)(iii)For EACH metal, A and B, state ONE method that can be used to extract it from its respective oxide. Give a reason for EACH answer.
31. 6(b)(i)2 marks· Chemistry Q6 6(b)(i)State which of the TWO metals is more reactive: Fe or Zn. Give a reason for your answer.
32. 6(b)(ii)2 marks· Chemistry Q6 6(b)(ii)Using the data in Table 3 on page 22, deduce the order of reactivity of the four metals Cu, Fe, Zn and Pb, from the most reactive to the least reactive metal.
33. 4(a)4 marks· CSEC Chemistry · January 2002 · Paper 2Identify the more feasible route for the extraction of magnesium and zinc from their oxides, giving a reason for each choice.
34. 4(b)(i)2 marks· CSEC Chemistry · January 2002 · Paper 2Why is the conventional process uneconomical for refining bauxite in the Caribbean?
35. 4(b)(ii)3 marks· CSEC Chemistry · January 2002 · Paper 2Why is the Alcoa chlorine approach a more economical process for refining bauxite?
36. Q301 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1Which of the following metals are extracted from their ores by reduction of their oxides with carbon?
37. Q401 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1Which of the following methods is used for the extraction of aluminium?
38. Q421 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1Which of the following metals neither reacts with water nor displaces hydrogen from dilute hydrochloric acid?
39. Q451 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1It was found that magnesium metal displaces zinc ions in zinc sulfate, while zinc metal displaces lead ions in lead sulfate. What is the order of reactivity, from most reactive to least reactive?
40. Q481 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1Which of the following is produced when carbon monoxide reacts with iron(III) oxide?
41. Q531 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1Which of the following is the reason for adding cryolite to pure alumina in the extraction of aluminium by electrolysis?
42. Q541 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1What type of reaction occurs when zinc metal is added to copper sulfate solution?
43. Q331 mark · multiple choice· CSEC Chemistry · January 2018 · Paper 1Which of the following metals will NOT displace hydrogen from dilute hydrochloric acid?
44. Q391 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following metals will react MOST vigorously with dilute acid?
45. Q401 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following methods is used for the extraction of aluminium?
46. Q421 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following options lists ALL the raw materials used in the extraction of iron?
47. Q481 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following is produced when carbon monoxide reacts with iron(III) oxide?
48. Q541 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1What type of reaction occurs when zinc metal is added to copper sulfate solution?
49. Q581 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following is the reason for adding cryolite to pure alumina in the extraction of aluminium by electrolysis?
50. Q271 mark · multiple choice· CSEC Chemistry · May/June 2010 · Paper 1Which of the following pairs of reactions would you expect to take place? I. \text{Zn(s)} + \text{Mg}^{2+}\text{(aq)} \rightarrow \text{Mg(s)} + \text{Zn}^{2+}\text{(aq)} II.…
51. Q551 mark · multiple choice· CSEC Chemistry · May/June 2010 · Paper 1Which of the following can be extracted by chemical reduction?
52. Q441 mark · multiple choice· CSEC Chemistry · May/June 2011 · Paper 1Which of the following elements is MOST electropositive?
53. Q391 mark · multiple choice· CSEC Chemistry · May/June 2013 · Paper 1Which of the following elements can be extracted by chemical reduction?
54. Q451 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Which of the following metals will NOT displace hydrogen from dilute hydrochloric acid?
55. Q461 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Which of the following methods is used for the extraction of aluminium?
56. Q331 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1Which of the following is a list of ALL the raw materials used in the extraction of iron?
57. Q341 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1Which of the following methods can be used in the extraction of aluminium?
58. Q411 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1Which of the metals is likely to form a soluble hydroxide?
59. Q421 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1In which of the following pairs of metals is the first metal MOST likely to displace the second metal from solution?
60. Q461 mark · multiple choice· CSEC Chemistry · May/June 2017 · Paper 1Which of the following methods is used for the extraction of aluminium?
61. Q561 mark · multiple choice· CSEC Chemistry · May/June 2017 · Paper 1Which of the following reactions is LEAST likely to occur?
62. Q591 mark · multiple choice· CSEC Chemistry · May/June 2017 · Paper 1Which metal appears between copper and aluminium in the reactivity series and is an important component in haemoglobin?