Leaching of A g 2 S is carried out by heating it with dilute solution of

Question

Leaching of A g 2 S is carried out by heating it with dilute solution of, NaCN only, HCl, NaOH, NaCN in presence of O 2

MARKS App · Accepted Answer

Leaching of A g 2 S is carried out by heating it with dilute solution of NaCN in presence of O 2 . A g 2 S + 4 N a C N → A i r 2 N a [ A g CN 2 ] + N a 2 S 2 Na [ Ag CN 2 ] + Zn dust → Na 2 [ Zn CN 4 ] + 2 Ag ↓

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