Multiple choice

Which of the following statements is not correct about electrolytic refining of copper?

  1. Impure copper is made anode.

  2. Thin strip of pure copper is made cathode.

  3. Solution of copper sulphate and dilute sulphuric acid is used as electrolyte.

  4. Copper ions migrate to the anode.

  5. Copper deposited on cathode is 94.91% pure.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Copper ions migrate to the cathode.