Question

Coordination number
Central metal ion
Complex ion
[Ag(CN)2]​

Answer 1

Answer:

coordination number is two

donno the other 2

Explanation:

The molecular structure is similar for both M[Au(CN)2] and M[Ag(CN)2] solid salts, consisting of linear two-coordinate complex ions distributed in two-dimensional layers. The M+ ions bond directly to the cyanide ligands in the complex and/or to water molecules in hydrated compounds.....

hope it atleast helps a bit