12. Electrolysis of molten NaCl is done.
A. Write the chemical equation of the reaction taking place at the Cathode ?
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Answer 1=If sodium chloride is melted (above 801 °C), two electrodes are inserted into the melt, and an electric current is passed through the molten salt, then chemical reactions take place at the electrodes.
Answer 2 =Reduction at cathode: PbO2(s)+4H+(aq)+SO42−(aq)+2e−→PbSO4(s)+2H2O(l)
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