Extraction of gold and silver involves leaching with CN–. Silver is later recovered by (a) Distillation (b) Zone refining (c) Displacement by Zn (d) Liquation

Extraction of gold and silver involves leaching with CN–. Silver is

1.	Extraction of gold and silver involves leaching with CN–. Silver is later recovered by (a) Distillation (b) Zone refining (c) Displacement by Zn (d) Liquation
Answer» Option (c) is the right answer Displacement with ZINC method is used. It’s also called CYANIDE PROCES, ZINC REDUCTION METHOD, MAC ARTHUR FOREST PROCESS, HYDROMETALLURGY, COMPLEX FORMATION METHOD.