Examples of Electrolytic Refining?
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The impure metal is taken as anode and pure metal is taken as cathode.They are put in a suitable electrolytic bath containing soluble salts of same metal.The required metal gets deposited on the cathode in the pure form.The metal constituting the impurity goes as the anode mud.
Examples :
In order to refine copper, impure copper is taken as anode and pure copper strips are taken as cathode.The electrolyte is an acidified solution of copper sulphate.As a result of electrolysis copper in pure form is transferred from anode to cathode.The suitable impurities go into the solution.Whereas insoluble impurities from the blister copper deposited at the bottom of anode as anode mud.
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The impure metal is taken as anode and pure metal is taken as cathode.They are put in a suitable electrolytic bath containing soluble salts of same metal.The required metal gets deposited on the cathode in the pure form.The metal constituting the impurity goes as the anode mud.
Examples :
In order to refine copper, impure copper is taken as anode and pure copper strips are taken as cathode.The electrolyte is an acidified solution of copper sulphate.As a result of electrolysis copper in pure form is transferred from anode to cathode.The suitable impurities go into the solution.Whereas insoluble impurities from the blister copper deposited at the bottom of anode as anode mud.
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Electrolytic Refining: refining of a metal (such as copper) by electolisis, the crude metal used as the anode going into solution and the pure metal being deposited upon the carde called also electorefining .
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