Question

give reason for the following ' the blue colour of copper (II) sulphate remain blue during electrolysis​

Answer 1

Answer:

Answer. The decrease in the weight of copper anode is equal to the increase in weight of copper cathode. ... Thus concentration of copper ions in electrolyte remain unchanged. As the blue colour of electrolyte is due to the presence of Cu++ ions, therefore it does not change.

Answer 2

Answer:

During the electrolysis of copper sulfate solution it splits into copper ions and sulfate ions. If copper electrodes are dipped copper ions move to cathode while sulfate ion move to anode and become a radical so it attacks copper cathode and forms copper sulfate in solution itself.

Explanation:

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