Chemistry
Explain the following :
On electrolysis of dilute copper (II) sulphate solution, copper is deposited at the cathode but no hydrogen gas evolves there. Explain why.
Electrolysis
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Answer
In the electrochemical series, copper is placed below hydrogen. Thus, copper ions discharge at the cathode over H+ ions. That's why copper is deposited at the cathode but no hydrogen gas evolves there.
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