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Give balanced equations for extraction of silver from its sulphide ore

Simran Bhatia , 11 Years ago
Grade 11
anser 1 Answers
Aditi Chauhan
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.]
Last Activity: 11 Years ago
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