Question 9

The diagram below shows a simplified electrolytic cell used to electroplate a ring.

9.1 Define the term electrolyte. (2)

9.2 Is the pure chromium metal the ANODE or the CATHODE of the cell? Give a reason for the answer. (2)

9.3 Write down the half-reaction that takes place at the ring. (2)

9.4 Calculate the total charge transferred when the mass of the pure chromium changes by 2 g. (5)
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TOTAL: 150