p-Block elementsEasy
Question
Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence of
Options
A.nitrogen
B.oxygen
C.carbon dioxide
D.argon
Solution
Ag dissociates in a solution of NaCN in the presence of air, and forms sodium argentocyanide.
4Ag + 8NaCN + 2H2O + O2 → 4Na[As(CN2)] + 4NaOH
4Ag + 8NaCN + 2H2O + O2 → 4Na[As(CN2)] + 4NaOH
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