A) \[Na[Ag{{(CN)}_{2}}]\]
B) \[N{{a}_{2}}[Ag{{(CN)}_{2}}]\]
C) \[N{{a}_{4}}[Ag{{(CN)}_{2}}]\]
D) None of these
Correct Answer: A
Solution :
Silver metal is extracted from the argentite ore \[(A{{g}_{2}}S)\]by the cyanide process, in which ore is treated with sodium cyanide sold. Dicyanoargentate(I) \[[2Na\{Ag{{(CN)}_{2}}\}]\] is formed.
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