question_answer

A current I is passed for a time t through a number of voltameters. If m is the mass of a substance deposited on an electrode and z is its electrochemical equivalent, then [MP PMT 1997]

A)                    \[\frac{zIt}{m}=\text{constant}\]                           

B)                    \[\frac{z}{mIt}=\text{constant}\]

C)                    \[\frac{I}{zmt}=\text{constant}\]                           

D)                    \[\frac{It}{zm}=\text{constant}\]