electrolysis of an aqueous solution of sodium hydroxide

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gercasgil001
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electrolysis of an aqueous solution of sodium hydroxide

Post by gercasgil001 »

n the electrolysis of an aqueous solution of sodium hydroxide using platinum electrodes. the reaction that occurs at the anode and the cathode are respectively

1) Na+ + e- ---> Na
2) 2 H2O + 2e- ---> H2 + 2 OH -
3) Na ---> Na+ + e-
4) 2 OH - ---> H2 + O2 + 2e-
5) 4OH - ---> 2H2O + O2 + 4e-
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