Metallic ions are discharged at the __(anode/ cathode) during electrolysis.

Q. During electrolysis of water, and are liberated at anode and cathode respectively.

Q. Select the correct answer from the list in brackets:
The ion which is discharged at the anode during electrolysis of copper sulphate solution using copper electrodes as anode and cathode $[C{u}^{2+},O{H}^{1-},S{O}_4^{2-},H^{1+}]$

Q. During electrolysis of brine solution, product obtained at cathode and anode are:

Q. In the electrolysis of $M^{n+}\left(aq\right)$, metal ions are discharged at negative electrode (cathode) and deposited there, above method of extraction is not possible for: