Name the process by which water produces hydrogen gas at cathode during electrolysis of aqueous NaCl.

During the electrolysis of aqueous zinc nitrate.

Which reaction occurs at the cathode during electrolysis of an aqueous solution of KCl?

The metal which will not be deposited at cathode during electrolysis of their aq. salts.

Gas liberated at cathode during Kolbe's electrolysis is

Which of the following statements are correct? a) The electrolysis of aquious NaCl produces hydrogen gas at cathode and chlorine gas at anode, b) The electrolysis of a CuSO_(4) solution using Pt electrodes causes the liberation of O_(2) at the anode and the deposition of copper at the cathode. c) Oxygen and hydrogen are produced at the anode and cathode during the electrolysis of dilute aqueous solution of H_(2)SO_(4) d) All electrolytic reactions are redox reactions

Oxygen and hydrogen gas are produced at the anode and cathode during the electrolysis of fairly concentration aqueous solution of :