Calculate the quantity of electricity in coulombs required to liberate 10g of copper from a…

Calculate the quantity of electricity in coulombs required to liberate 10g of copper from a copper compound
[Cu=64, F = 96500 Cmol-1]
  • A.
    32395.5
  • B.
    30156.3
  • C.
    60784.5
  • D.
    15196.5
Correct Answer: Option B
Explanation

Cu → Cu2++ 2e
64g Cu requires 2 x 96500 coloumbs 10g Cu requires x columbs
x = 10x2x96500/64 =30156.3

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