Question

Which of the following is correct for electroplating a metal X with copper through electrolysis?
A) Metal X-Anode
B) Copper-Cathode
C) Copper sulphate solution - Electrolyte
D) All the above

Answer 1

Answer:

copper sulphate solution-electrolyte

is the correct answer

Answer 2

For electroplating a metal X with copper through electrolysis, copper sulphate solution is used as an electrolyte. Thus, the correct option is C.

Explanation:

• In electroplating of metal, the metal that has to be deposited on another metal should be present in the form of positive ions in the electrolyte solution.
• Therefore, if a metal X has to be electroplated with copper, copper ions must be present in the electrolyte.
• This can be done by using copper sulphate solution as an electrolyte.
• Also, the anode is made of copper and the cathode is made of the metal X that has to be electroplated.
• Oxidation takes place at the anode while reduction takes place at the cathode.
• The copper ions ($\[C{u^{2 + }}\]$) are reduced to neutral copper atoms ($Cu$) at the cathode by gaining two electrons.
• Thus, copper is electroplated on the metal X.