A) \[Na[Ag{{(CN)}_{2}}]\]
B) \[NaCN\]
C) \[NaCl\]
D) \[HCl\]
Correct Answer: B
Solution :
Argentite is \[\text{A}{{\text{g}}_{\text{2}}}\text{S}\text{.}\] \[A{{g}_{2}}S+4NaCN\xrightarrow{{}}2NaAg{{(CN)}_{2}}+NaCl\] \[AgCl+2NaCN\,r\,NaAg{{(CN)}_{2}}+NaCl\]
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