Quelpr

CSEC Chemistry · May/June 2013 · Paper 2 · Question 5(a)(i)

Figure 5 is a diagram of a cell used in the industrial preparation of chlorine by electrolysis. Outline the industrial preparation of chlorine using a cell such as the one shown in Figure 5.

the name of the electrolyte and ions present

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)an explanation for which ions are preferentially discharged at the electrodes[2 marks]
  2. 5(a)(iii)ionic equations showing the reactions at EACH electrode[4 marks]
  3. 5(a)(iv)the role of the ion exchange membrane in the diagram.[1 mark]
  4. 5(b)(i)State what is expected to happen to the anode during the experiment.[1 mark]
  5. 5(b)(ii)Calculate the mass of pure copper that would be produced during the experiment if a current of 5 A flowed for 30 minutes. (Molar mass of Cu: 64 g mol⁻¹)[5 marks]

More practice: the rest of this paper · more Electrochemistry questions · all CSEC Chemistry past papers