1., Add Lead (II) Bromide into a beaker and heat so it will turn molten, allowing ions to be free to move and conduct an electric charge , 2., Add two graphite rods as the electrodes and connect this to a power pack or battery, 3., Turn on power pack or battery and allow electrolysis to take place, 4., Negative bromide ions move to the positive electrode (anode) and lose two electrons to form bromine molecules. There is bubbling at the anode as brown bromine gas is given off, 5., Positive lead ions move to the negative electrode (cathode) and gain electrons to form a grey lead metal which deposits on the surface of the electrode.

Pb(II)Br electrolysis process

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