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Which one of the following figures correctly describes the process of electrolytic refining?
Answers (1)
Ans. (c)
Electrolytic refining is a process of refining a metal by the process of electrolysis.
The anode in this process is impure metal, and the cathode is a strip of pure metal.
Electrolytic refining of Cu: A large piece of impure copper is used as the anode with a thin strip of pure copper as the cathode. Copper(II) sulphate solution is the electrolyte.
Cu2+ ions from the solution are deposited on the cathode while Cu from impure anode dissolves into the solution and the impurities settle down below anode as anode mud.
Therefore option (c) is correct
View full answer
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