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MHT CET202210 Aug 2022Morning ShiftChemistryElectrochemistryActual

How many Faraday of electricity is required to produce 5 ~g of magnesium from magnesium chloride? (Molar mass Mg =24 ~g ~mol ⁻¹ )

Options

  1. A2.451 ~F
  2. B0.417 ~F
  3. C6.0 ~F
  4. D9.634 ~F

Correct answer

B. 0.417 ~F

Step-by-step solution

aligned & Mg ⁺²+2 e ⁻ Mg & 2 ~mol 1 ~mol & 5 24 =0.208 ~mol Mg & Mol of charge required or faraday of change required & =0.208 2 & =0.416 ~F & aligned

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