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