IUPAC nomenclature of following co-ordination compounds:
1) K4[Fe(CN)6]
2)[Co(NH3)5 cl] cl2
3)[Co(NH3)5 (NO2)] cl2
4)[Cr(Co)5]
Stable complex based on EAN rule:
i) K4[Fe(CN)6]
ii) [Co(NH3)5Cl]Cl2
iii) [Ni(CO)4]
iv) K2[Ni(CN)4]