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JIPMER2009ChemistryGeneral Principles and Processes of Isolation of Metals

To dissolve argentite ore which of the following is used?

Options

  1. ANa [ Ag ( CN )₂ ]
  2. BNaCN
  3. CNaCl
  4. DHCl

Correct answer

B. NaCN

Step-by-step solution

aligned & Argentite is Ag ₂ ~S . & Ag ₂ ~S +4 NaCN 2 Na [ Ag ( CN )₂ ]+ Na ₂ ~S & AgCl +2 NaCN Na [ Ag ( CN )₂ ]+ NaCl aligned

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