Using IUPAC norms write the formulas for the following

1) Tetra hydroxo zin cate (II) ${\left[\mathrm{Zn}(\mathrm{OH}{)}_4\right]}^{-2}$
2) Hexa amine cobalt
(III) sulphate ${\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}_2{\left({\mathrm{SO}}_4\right)}_3$
3) Potasium hexa cyano ferrate (II)
${\mathrm{K}}_4\left(\mathrm{Fe}(\mathrm{CN}{)}_6\right)$
4) potassium hexacyano ferrate (III)
${\mathrm{K}}_3\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$
5) Potassium tetra chloro palladate (II)
${\mathrm{K}}_2\left[{\mathrm{Pdcl}}_4\right]$
6) Potassium trioxalato chromate (III)
${\mathrm{K}}_3\left[\mathrm{Cr}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_3\right]$
7) Hexo amine cobalt (III) chloride
$\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]{\mathrm{Cl}}_3$
8) Diamine choro methyl amine platinum (II) chloride
$\left[\mathrm{Pt}{\left({\mathrm{NH}}_3\right)}_2\mathrm{Cl}{\mathrm{CH}}_3{\mathrm{NH}}_2\right]\mathrm{Cl}$
9) Hexa aqua titanium (III) ion ${\left[\mathrm{Ti}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{+3}$
10) Tetra choro nickelate (II) ion ${\left[{\mathrm{NiCl}}_4\right]}^{-2}$
11) Iron (III) hexa cyanide ferrate
$(\mathrm{II}) {\mathrm{Fe}}_4{\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}_3$