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During electrolysis of CuSO4 using platinum [cathode] and carbon [anode]:1. State what you observe at the cathode and anode.2. State the change noticed in the electrolyte3. Write the reactions at the cathode and anode. |
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Answer» 1. Cathode : Reddish brown deposition of copper occurs at cathode. Anode : Colourless gas is evolved at anode. 2. On prolonged electrolysis, the blue electrolyte turns colourless. . 3. Cathode : Cu2+ + 2e– → Cu Anode : OH– — Ie– → OH 4OH → 2H2O + O2 ↑ |
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