$IUPAC$ name of $[Fe(O_2)(CN)_4Cl]^{4-}$ is

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

$Li[AlH_4]$ is the molecular formula of which complex?

Oxidation number of $Fe$ in the violet coloured complex $Na_4[Fe(CN)_5(NOS)]$ is:

Using $IUPAC$ norms,write the formulas for the following:
$(i)$ Tetrahydroxozincate $(II)$
$(ii)$ Potassium tetrachloridopalladate $(II)$
$(iii)$ Diamminedichloridoplatinum $(II)$
$(iv)$ Potassium tetracyanonickelate $(II)$
$(v)$ Pentaamminenitrito$-O$-cobalt $(III)$
$(vi)$ Hexaamminecobalt $(III)$ sulphate
$(vii)$ Potassium tri(oxalato)chromate $(III)$
$(viii)$ Hexaammineplatinum $(IV)$
$(ix)$ Tetrabromidocuprate $(II)$
$(x)$ Pentaamminenitrito$-N$-cobalt $(III)$

What is the oxidation state of $Fe$ in ${K_3}[Fe(CN)_6]$?