A) current
B) square of current
C) concentration of solution
D) inverse of current
Correct Answer: A
Solution :
[a] 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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