The number of Faradays(F) required to produce 20 g of calcium from molten CaCl 2 (Atomic mass of Ca = 40 g…

The number of Faradays(F) required to produce 20 g of calcium from molten CaCl2 (Atomic mass of Ca=40 g mol–1) is
  1. 2
  2. 3
  3. 4
  4. 1

Solution

Ca+2+2e-→Cas
Valency Factor =2
As per Faraday's 1st law, Charge passed in Faraday = Number of gram equivalent of product.
=2040×2=1F

Asked in: NEET 2020 (Phase 1)

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