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NTA Abhyas NEET2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

During extraction of silver from cyanide process, which of the following is formed?

Options

  1. AN a [ A g ( C N ) 2 ]
  2. BN a 2 [ A g ( C N ) 2 ]
  3. CN a 4 [ A g ( C N ) 2 ]
  4. DNone of these

Correct answer

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

Step-by-step solution

Silver metal is extracted from the argentite ore ( A g 2 S ) by the cyanide process, in which ore is treated with sodium cyanide sol. Dicyanoargentate (I) 2 Na Ag ( CN ) 2 is formed.

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