During the electrolysis of brine,by using inert electrodes,

What happens to the $pH$ during the electrolysis of aqueous $CuSO_4$ using platinum electrodes?

If $6.5 \ g$ of $Mg$ is deposited during the electrolysis of fused $MgCl_2$,what will be the volume of chlorine gas (in $L$) discharged at the electrode at $STP$?

Which one of the following statements is correct for the electrolysis of brine solution?

Electrolysis of $KCl \cdot MgCl_2 \cdot 6H_2O$ gives

In the process of electrolysis,the current is carried out inside the electrolyte by