Question

During the process of electrorefining of copper metal, name the materials used as its cathode and the anode.​

Answer 1

Answer:

During electrolytic refining of copper, the anode is the positive electrode and is made from impure copper blocks. The electrolyte is a mixture of copper sulphate and sulphuric acid. The negative electrode is cathode. It is made from pure copper.

Explanation:

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Answer 2

Answer:

The anode is the positive electrode in electrolytic copper refining, and it is formed of impure copper blocks. Copper sulphate and sulphuric acid make up the electrolyte. Cathode is the negative electrode. It's constructed entirely of copper.

Explanation:

• Electrolytic refining is the process of refining copper metal.
• Copper sulphate dissociates during electrolysis, yielding cupric and sulphate ions. These cupric ions are discharged at the cathode by acquiring electrons from the cathode. Coating the cathode with graphite makes removing the concentrated copper metal from the cathode easier.
• Metal sulphates are formed when impurities from impure copper metal anode interact with sulphate ions. In the electrolytic solution, these metal sulphates dissolve. Silver and gold impurities, for example, do not dissolve in the electrolyte and settle as anode mud (sludge or dust).
• The cathode is entirely comprised of copper.