An electrolyte:

The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is $:$

On electrolysis of aqueous solution of $KI$ in presence of platinum electrodes:
$(a)$ Hydrogen gas is released at cathode
$(b)$ Oxygen gas is released at anode
$(c)$ $pOH$ of solution decreases
$(d)$ There is deposition of potassium at cathode
Choose the correct option from following

When a solution of sodium chloride containing ethyl alcohol is electrolysed,it forms:

During the electrolysis of cryolite,aluminium and fluorine are formed in $........$ molar ratio :

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