$A$ coordination compound with the formula $FeCl_3 \cdot 4NH_3$ has a coordination number of $6$ for the central metal ion. It does not lose $NH_3$ gas upon heating but gives a white precipitate with an aqueous solution of $AgNO_3$. What is the $IUPAC$ name of this complex?

The hypothetical complex triamminediaquachlorocobalt $(III)$ chloride can be represented as:

The $IUPAC$ name of the compound $(NH_4)_2[Ni(C_2O_4)_2(H_2O)_2]$ is

The sum of oxidation states of two silver ions in $[Ag(NH_{3})_{2}][Ag(CN)_{2}]$ complex is $....$ .

What is the oxidation number of $Pt$ in $[Pt(C_2H_4)Cl_4]^-$?

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 $(III)$