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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 - Chemistry

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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