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State the observations at the anode and at the cathode during the electrolysis of:(i) fused lead bromide using graphite electrodes. (ii) copper sulphate solution using copper electrodes. |
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Answer» (i) At anode : Dark reddish brown fumes of bromine evolve at the anode. At cathode: Greyish white metal lead is formed on the cathode. (ii) At anode: Anode decreases in size due to the formation of copper ions. At cathode: Reddish brown copper is deposited |
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