" The ratio of primary valency and secondary valency of the matal lon in the coordination compound "K_(2)[Ni(CN)_(1)]is

The primary valency of the metal ion in the co-ordination compound, K_2[Ni(CN)_4] is

The primary valence of the metal ion in the coordination compound K_2[Ni(CN)_4] is

The primary valence of the metal ion in the co-ordination compound Na_2[Co(CN)_4] is _________.

The primary valence of the metal ion in the co-ordination compound Na_2[Co(CN)_4] is _________.

Consider the coordination compound [Co(NH_3)_5Cl]Cl_2 what is the primary valence and secondary valence of the central metal ion in the above co ordination compound.

What are primary and secondary valencies?