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NTA Abhyas NEET2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

Which of the following is involved in the extraction of Ag from argentite?

Options

  1. A[ A g ( N H 3 ) 2 ] +
  2. B[ A g ( S C N ) 4 ] 3 +
  3. C[ A g ( C N ) 2 ] -
  4. D[ A g C l 2 ] -

Correct answer

C. [ A g ( C N ) 2 ] -

Step-by-step solution

Ag 2 S   +   4   NaCN → Air 2   Na [ Ag(CN) 2 ] +   Na 2 S

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