Q5. In the electrolytic refining of copper. (10 marks)
Which terminal of the power supply is connected to the impure copper
Write the equation for the reaction of the impure copper. (4 marks)
ili. What electrolyte is used? ( 4 marks)
6. A brass ring is to be electroplated with silver. (10 marks)
i. Which terminal of the battery would the brass ring be connected to? (
i. Name a suitable electrolyte for the electroplating. (3 marks)
Write the equation occurring at the plating electrode. (3 marks)
What material would the other electrode be made of? (2 marks)​
Answers: 3
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
Q5. In the electrolytic refining of copper. (10 marks)
Which terminal of the power supply is connec...
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