The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a…

The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel for
  • A.
    5.6 hours
  • B.
    56 hours
  • C.
    1.4 x 104 hours
  • D.
    2.0 x 104 hours
Correct Answer: Option A
Explanation

m = Itz
1 = 100 x 5 x 10-7 x t
t = 20,000sec
= 5.6hrs

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