Physics, asked by mingshramalawati, 1 year ago

Which metal is extracted from Argentite ore?











































































Answers

Answered by bswagatam04
5
Hey there....silver is extracted from the ore Argentite.

Hope this helps.......
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Answered by tnrao74owzfhb
1


Silver is extracted from the ore-argentite (Ag2SAg2S). The process of extraction of silver is called as cyanide process as sodium cyanide solution is used. The ore is crushed, concentrated and then treated with sodium cyanide solution. This reaction forms sodium argento cyanide Na[Ag(CN)2]Na[Ag(CN)2].

AgS+4NaCN⇌2Na[Ag(CN)2]+Na2S(1)(1)AgS+4NaCN⇌2Na[Ag(CN)2]+Na2S

The solution of sodium argento cyanide combines with zinc dust and forms sodium tetra cyanozicate and precipitated silver. This precipitated silver is called spongy silver.

Zn+2Na[Ag(CN)2]→Na2[Zn(CN)4]+2Ag(2)(2)Zn+2Na[Ag(CN)2]→Na2[Zn(CN)4]+2Ag

The spongy silver is fused with potassium nitrate to obtain pure silver. Then the silver obtained is purified by electrolytic process.


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