Same chapter3 marksDifficulty: Medium
During the electrolysis of aqueous copper sulphate using copper electrodes, state what happens at each electrode and why the colour of the solution does not change.
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2 marksDifficulty: Medium
Name the products at each electrode during the electrolysis of acidified water with platinum electrodes.
Original Khojo Papers practice question — not from a past board paper.
Answer
Hydrogen is liberated at the cathode and oxygen at the anode, in the ratio 2 : 1 by volume.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The acid supplies the ions that carry the current and is not itself used up.
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