The metal extracted by leaching with a cyanide – InterviewSolution

1.	The metal extracted by leaching with a cyanide
Answer» Al Ag Cu Na Solution :Silver are forms a soluble complex with NaCN from which silver is precipitated using scrap ZINC (i) `Ag_(2)S + 2NaCN rarr Na [Ag(CN)_2]ZN` (ii) `Na_(a)(Zn(CN)_4] + Ag DARR` Sodium argentocyanide (soluble)

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