Provide the $\text{IUPAC}$ nomenclature for the following coordination compounds:
$(i)$ $[Cr(NH_3)_3(H_2O)_3]Cl_3$
$(ii)$ $[Co(en)_3]_2(SO_4)_3$
$(iii)$ $[Ag(NH_3)_2][Ag(CN)_2]$
$(iv)$ $Na_3[Cr(C_2O_4)_3]$

Find out the correct $IUPAC$ name of the complex compound $[Cr(NH_3)_5(CN)][Ir(NO_2)_6]$.

Oxidation state of $Fe$ in $K_3[Fe(CN)_6]$

Using $IUPAC$ norms,write the systematic names of the following:
$(i)$ $[Co(NH_3)_6]Cl_3$
$(ii)$ $[Pt(NH_3)_2Cl(NH_2CH_3)]Cl$
$(iii)$ $[Ti(H_2O)_6]^{3+}$
$(iv)$ $[Co(NH_3)_4Cl(NO_2)]Cl$
$(v)$ $[Mn(H_2O)_6]^{2+}$
$(vi)$ $[NiCl_4]^{2-}$
$(vii)$ $[Ni(NH_3)_6]Cl_2$
$(viii)$ $[Co(en)_3]^{3+}$
$(ix)$ $[Ni(CO)_4]$

What is the $IUPAC$ name of the coordination compound $[Co(NH_3)_3(NO_2)(Cl)(CN)]$?

The $IUPAC$ name for the complex $[Co(NO_2)(NH_3)_5]Cl_2$ is :