Chemistry-
General
Easy

Question

There are following extraction process of silver but not

  1. As a side product in electrolytic refining of copper
  2. Parke’s process in which Zn is used to extract silver by solvent extraction from molten lead
  3. By reaction of silver sulphide with KCN and then reaction of soluble complex with Zn 

  4. By heating Na open square brackets Ag left parenthesis CN right parenthesis subscript 2 close square brackets

The correct answer is: By heating Na open square brackets Ag left parenthesis CN right parenthesis subscript 2 close square brackets


    Na open square brackets Ag left parenthesis CN right parenthesis subscript 2 close square brackets not stretchy rightwards arrow with straight capital delta on top text  No effect  end text

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