Write equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode) during the electrolysis of Molten lead bromide with inert electrodes
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Solution
The cathode and anode are both made of graphite plates.
Reaction at the cathode: `Pb^(2+) + 2e^(-) -> Pb`
Reaction at the anode: `Br^(-) - e^(-) -> Br`
`Br + Br -> Br_2`
Concept: Electrolysis - Substances Containing Both Molecules and Ions
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