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MHT CET202121 Sep 2021Evening ShiftChemistryElectrochemistryActual

What is the number of moles of electrons passed when current of 5 ampere is passed through a solution of FeCl ₃ for 20 minutes?

Options

  1. A6.25 10⁻²
  2. B1.56 10⁻²
  3. C3.12 10⁻²
  4. D4.25 10⁻²

Correct answer

A. 6.25 10⁻²

Step-by-step solution

aligned & Q=I . t & =5 20 60 & =6000 C aligned Charge of 1 mole electrons =96500 C no. of moles of electrons = Q 96500 = 6000 96500 6.25 10⁻²

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