To deposit one $gm$ equivalent of an element at an electrode,the quantity of electricity needed is

On passing $C$ ampere of current for time $t$ seconds through $1 \ L$ of $2 \ M$ $CuSO_4$ solution (atomic weight of $Cu = 63.5$),the amount $m$ of $Cu$ (in grams) deposited on the cathode will be:

The electrochemical equivalent of a metal is $3.3 \times 10^{-7} \ kg/C$. The mass of the metal liberated at the cathode when a $3 \ A$ current is passed for $2 \ s$ will be:

On passing $1 \ F$ of electricity through electrolytic cells containing $Ag^{+}$,$Ni^{2+}$,and $Cr^{3+}$ ions,the mass of $Ag$ $(At. wt. = 108)$,$Ni$ $(At. wt. = 59)$,and $Cr$ $(At. wt. = 52)$ deposited is:

The Faraday constant is $......$

Electrolysis of dilute aqueous $NaCl$ solution was carried out by passing $10 \ mA$ current. The time required to liberate $0.01 \ mol$ of $H_2$ gas at the cathode is $(1 \ F = 96500 \ C \ mol^{-1})$