In electroplating,the article to be electroplated serves as

On electrolysis,$1 \ mole$ of aluminium will be deposited from its molten salt by

Which of the following substances is a good conductor of electricity?

Which metal cannot be obtained by the electrolysis of its aqueous salt solution?

The number of electrons involved in the reaction when $1 \ Faraday$ of electricity is passed through an electrolytic solution 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