The Following Electrolytic Cell Is a Representation of the Process

question 70

Multiple Choice

The following electrolytic cell is a representation of the process used to purify copper metal.How does it work? .

• A)Impure copper is oxidized at the anode,and pure copper is reduced at the cathode.Impurities dissolve into solution.
• B)Impure copper is oxidized at the cathode,and pure copper is reduced at the anode.Impurities dissolve into solution.
• C)Impure copper is oxidized at the anode,and pure copper dissolves into solution.Impurities remain on the cathode.
• D)Impure copper is oxidized at the cathode,and pure copper dissolves into solution.Impurities remain on the anode.
• E)Impure copper precipitates from solution onto the cathode,and pure copper remains on the anode.

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Definitions:

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