Question

The metal which is deposited at the cathode during the electrolysis of the solution of $NaCl$ is:

• A. Na
• B. Mg
• C. Cl
• D. K

Answer 1

The correct option is A Na

When sodium chloride is electrolysed,
at cathode:
$2H^{+}+2e^{-}\to H_2$
at anode:
$2H_{2}O\to O_2+4H^{+}+4e^{-}$