Give balanced equations for extraction of silver from its sulphide ore
Simran Bhatia , 10 Years ago
Grade 11
Inorganic Chemistry> Give balanced equations for extraction of...
1 AnswersAditi Chauhan
Last Activity: 10 Years ago
Equations for extraction of silver from its sulphide ore.
Cyanide Process :
Ag2S +2NaCN → Na2S + 2AgCN
(sulphide ore)
AgCN + NaCN → Na[Ag(CN)2] Sod. Argentocyanide (sulphide)
2Na[Ag(CN)2] + Zn → Na2[Zn(CN)4] + 2Ag ↓
[NOTE : Zn is more electropositive than Ag.]
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