Quelpr
2 marksReactivity and Extraction of Metals

CSEC Chemistry · May/June 2014 · Paper 2 · Question 5(a)(i)

Figure 6 shows an experiment with copper(II) sulfate solution and two metal foils: zinc and silver. Observations are given for both setups.

Write a balanced equation with state symbols for the reaction that occurs between zinc and the copper(II) sulfate solution.

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

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)(ii)Explain why the zinc foil reacted with the copper(II) sulfate solution but the silver foil did not.[4 marks]
  2. 5(a)(iii)Would aluminium displace copper from the copper(II) sulfate solution? Give a reason for your answer.[2 marks]
  3. 5(b)(i)List the conditions necessary for the corrosion of iron.[2 marks]
  4. 5(b)(ii)Why is painting effective in preventing iron from rusting?[1 mark]
  5. 5(c)Explain why duralumin is used in preference to aluminium for the manufacture of aircraft.[4 marks]

More practice: the rest of this paper · more Reactivity and Extraction of Metals questions · all CSEC Chemistry past papers