How many moles of electrons are required for the reduction of $1 \ mole$ of $Cr^{3+}$ to $Cr_{(s)}$?

Which among the following is common for electrolysis of molten $NaCl$ and aqueous $NaCl$?

The product obtained at the anode when $50 \%$ $H_2SO_4$ aqueous solution is electrolysed using platinum electrodes is:

Which of the following is a property of a solution of dry hydrogen chloride in dry methylbenzene?

During the electrolysis of aqueous $NaCl$,if $3 \ mole$ of $H_2O$ are electrolysed,then how much charge (in $F$) is required if the current efficiency is $75 \ \%$?

When acidulated water ($dil. H_{2}SO_{4}$ solution) is electrolysed,will the $pH$ of the solution be affected? Justify your answer.