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KVPY2017ChemistryElectrochemistry

A constant current (0.5 amp ) is passed for 1 hour through (i) aqueous AgNO ₃ , (ii) aqueous CuSO ₄ and (iii) molten AlF ₃ , separately. The ratio of the mass of the metals deposited on the cathode is [ M _ Ag , M _ Cu , , M _ Al . are molar masses of the respective metals]

Options

  1. AM _ Ag : 2 M _ Cu : 3 M _ Al
  2. BM _ Ag : M _ Cu : M _ A 1
  3. C6 M _ Ag : 3 M _ Cu : 2 M _ A 1
  4. D3 M _ Ag : 2 M _ Cu : M _ Al

Correct answer

C. 6 M _ Ag : 3 M _ Cu : 2 M _ A 1

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