Provide the $\text{IUPAC}$ names for the following coordination compounds:
$(i)$ ${K_2}[Zn(Cl)_4]$
$(ii)$ ${K_4}[Fe(CN)_6]$
$(iii)$ $[Co(NH_3)_4Cl_2]Cl$
$(iv)$ $[Fe(NH_3)_6]^{3+}$

(N/A) $(i)$ ${K_2}[Zn(Cl)_4]$: Potassium tetrachlorozincate$(II)$
$(ii)$ ${K_4}[Fe(CN)_6]$: Potassium hexacyanoferrate$(II)$
$(iii)$ $[Co(NH_3)_4Cl_2]Cl$: Tetraamminedichlorocobalt$(III)$ chloride
$(iv)$ $[Fe(NH_3)_6]^{3+}$: Hexaammineiron$(III)$ ion