Electrolysis of molten ionic compounds

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    Created by
    Phoebe A

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    • Electrolysis of molten compounds :
      • positive metal ions (Pb2+)move towards the cathode and are reduced
      • negative non-metal ions (Br-)move towards the anode and are oxidised
      • electrolyte - a liquid or solution that can conduct electricity because ions are free to move
      • d.c power supply for the flow of electrons , anode ( positive electrode on the right ) , cathode ( negative electrode on the left ) , molten lead bromide electrolyte
      • molten lead metal sinks to the bottom
      • bromine gas is given off at the anode .
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