Question

Why cathode become thick in refining?

Answer 1

Answer:

Hey mate here's your answer

Explanation:

During the process of refining, the impure metal of anode breakdown into components and pure metal goes in cathode . That's why it becomes thick.

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Answer 2

Because of the deposition of molecular cation.

Explanation:

In the process of refining by electrolysis we have the metal to be purified at anode which is positively charged electrode and the electrolytic medium is the aqueous solution of the salt of same metal that has to be refined.

• When a direct current is passed is passed through the setup of electrodes and electrolyte then the metal at anode gets dissolved by breaking into molecular cation and releasing it into the solution of electrolyte while the cathode keeps on attracting and picking up the cations from the solution that builds up pure material at cathode while depleting the anode continuously and leaving behind the impurities into the electrolytic solution.

TOPICS: electroplating, electrolysis

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