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Electrolysis of solutions

Chemistry · Secondary 3 · Medium · Electrolysis of solutions

Aqueous sodium chloride is electrolysed using inert electrodes.

Which ions are discharged at the cathode and what product is formed there?

$\text{H}^+$ ions; hydrogen gas is formed
$\text{Na}^+$ ions; sodium metal is formed
$\text{Cl}^-$ ions; chlorine gas is formed
$\text{OH}^-$ ions; water is formed

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