A) current
B) square of current
C) concentration of solution
D) inverse of current
Correct Answer: A
Solution :
In electrolysis, according to first law of Faraday, the mass of a substance deposited at an electrode is directly proportional to the charge passed through the electrolyte i.e., \[m\propto \,q\] If a current i passes for a time t, then as we know, q = it Hence, \[m\,\propto \,\,it\] or \[m\,\propto \,\,i\] Thus, mass deposited at an electrode is directly proportional to current.
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