What are the major products of the electrolysis of concentrated sodium chloride solution,

CHEMISTRY · Single correct · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

What are the major products of the electrolysis of concentrated sodium chloride solution, NaCl(aq)\mathrm{NaCl(aq)}?
Negative electrodePositive electrode
(1) Na\mathrm{Na} | O2\mathrm{O_2} (2) H2\mathrm{H_2} | O2\mathrm{O_2} (3) Na\mathrm{Na} | Cl2\mathrm{Cl_2} (4) H2\mathrm{H_2} | Cl2\mathrm{Cl_2}

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