On the electrolysis of very dilute aqueous solution of `NaOH` using Pt electrodes

What products are expected to be obtained at the cathode and the anode in the electrolysis of an aqueous solution of Na_(2)SO_(4) by using Pt - electrodes?

Sodium cannot be obtained by the electrolysis of aqueous solution of NaCl using Pt electrodes.

Sodium cannot be obtained by the electrolysis of aqueous solution of NaCl using Pt electrodes.

Sodium cannot be obtained by the electrolysis of aqueous solution of NaCl using Pt electrodes.

During the electrolysis of the aqueous solution of copper sulphate using Pt electrode, the reaction taking place at anode electrode is

During the electrolysis of the aqueous solution of copper sulphate using Pt electrode, the reaction taking place at anode electrode is

Electrolysis of dilute aqueous solution of KCl gives?

After the electrolysis of aqueous solution of NaCl using Pt electrodes, the pH of the solution