MediumNEET TEST
+4 / -1
The approximate time duration in hours to electroplate 30 g of calcium from molten calcium chloride using a current of 5 A is [At. mass of Ca = 40]:
A
80
B
10
C
16
D
8
Explanation
Using Faraday’s law: t = (mass × n × F)/(I × atomic mass) ≈ 8 hours.
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