A) Copper
B) Iron
C) Silver
D) Zinc
Correct Answer: C
Solution :
\[4Ag+8C{{N}^{-}}+2{{H}_{2}}O+{{O}_{2}}\xrightarrow{{}}\] \[4{{[Ag{{(CN)}_{2}}]}^{-}}+4O{{H}^{-}}\] This process is called cyanide process. It is used in the extraction of silver from argentite\[(A{{g}_{2}}S).\]You need to login to perform this action.
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