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NEET2013ChemistryElectrochemistryActual

How many gram of cobalt metal will be deposited when a solution of cobalt (II) chloride is electrolyzed with a current of 10 amperes for 109 minutes (1 Faraday = 96,500 C ; Atomic mass of Co =59 u )

Options

  1. A4.0
  2. B20.0
  3. C40.0
  4. D0.66

Correct answer

B. 20.0

Step-by-step solution

aligned W & = I t E 96500 & = 10 109 60 59 96500 2 & =19.99 20 ~g aligned

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