Optical isomers

Geometrical isomers

Ionization isomers

Linkage isomers

$\left[ {{\rm{Pt}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_2}{\rm{C}}{{\rm{l}}_2}} \right]$

$\left[ {{\rm{Pt}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_2}{\rm{C}}{{\rm{l}}_4}} \right]$

${\left[ {{\rm{Pt}}{{\left( {{\rm{en}}} \right)}_3}} \right]^{4 + }}$

$\left[ {{\rm{Pt}}{{\left( {{\rm{en}}} \right)}_2}{\rm{C}}{{\rm{l}}_2}} \right]$

$\left[ {{\rm{Cr}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}{\rm{C}}{{\rm{l}}_2}} \right]{\rm{Cl}}$

$\left[ {{\rm{Co}}{{\left( {{\rm{en}}} \right)}_2}{\rm{C}}{{\rm{l}}_2}} \right]{\rm{Cl}}$

$\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_5}{\rm{N}}{{\rm{O}}_2}} \right]{\rm{C}}{{\rm{l}}_2}$

$\left[ {{\rm{Pt}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_2}{\rm{C}}{{\rm{l}}_2}} \right]$

Complex cation and complex anion

Inner sphere and outer sphere

Low oxidation and higher oxidation states

$cis$ and $trans$ structure

Coordination

Ionization

Linkage

All of these

${\left[ {{\rm{Co}}{{\left( {{\rm{CN}}} \right)}_6}} \right]^{3 - }}$

${\left[ {{\rm{Cr}}{{\left( {{{\rm{C}}_2}{{\rm{O}}_4}} \right)}_3}} \right]^{3 - }}$

${\left[ {{\rm{ZnC}}{{\rm{l}}_4}} \right]^{2 - }}$

${\left[ {{\rm{Cu}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}} \right]^{2 + }}$

${\left[ {Co{{\left( {N{H_3}} \right)}_5}N{O_2}} \right]^{2 + }}$

${\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]^{3 + }}$

${\left[ {Co{{\left( {N{H_3}} \right)}_5}Br} \right]^{2 + }}$

${\left[ {Cr{{\left( {{H_2}O} \right)}_5}Cl} \right]^{2 + }}$

${\left[ {{\rm{Co}}{{\left( {{\rm{en}}} \right)}_3}} \right]^{3 + }}$

${\left[ {{\rm{Co}}{{\left( {{\rm{en}}} \right)}_2}{\rm{C}}{{\rm{l}}_2}} \right]^ + }$

${\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_3}{\rm{C}}{{\rm{l}}_3}} \right]^0}$

${\left[ {{\rm{Co}}\left( {{\rm{en}}} \right){\rm{C}}{{\rm{l}}_2}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_2}} \right]^ + }$

$\left[ {{\rm{Co\;}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_6}\left] {\rm{\;}} \right[{\rm{Cr}}{{\left( {{\rm{CN}}} \right)}_6}} \right]$ and $\left[ {{\rm{Cr}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_6}\left] {\rm{\;}} \right[{\rm{Co}}{{\left( {{\rm{CN}}} \right)}_6}} \right]$

$\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_5}{\rm{Br}}} \right]{\rm{S}}{{\rm{O}}_4}{\rm{\;and\;}}\,\,\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_5}{\rm{S}}{{\rm{O}}_4}} \right]{\rm{Br}}$

${\rm{Co}}{\left( {{\rm{N}}{{\rm{H}}_3}} \right)_5}{\rm{N}}{{\rm{O}}_3}]{\rm{S}}{{\rm{O}}_4}\,\,{\rm{and}}\,{\rm{\;}}\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_5}{\rm{S}}{{\rm{O}}_4}} \right]{\rm{N}}{{\rm{O}}_3}$

$\left[ {{\rm{Pt}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}{\rm{C}}{{\rm{l}}_2}} \right]{\rm{B}}{{\rm{r}}_2}{\rm{\;and}}\,{\rm{\;}}\left[ {{\rm{Pt}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}{\rm{B}}{{\rm{r}}_2}} \right]{\rm{C}}{{\rm{l}}_2}$

$\left[ {{\rm{Cr}}{{\left( {{{\rm{H}}_2}{\rm{O}}} \right)}_6}} \right]{\rm{C}}{{\rm{l}}_2}$

$\left[ {{\rm{Cr}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_6}} \right]\left[ {{\rm{Co}}{{\left( {{\rm{CN}}} \right)}_6}} \right]$

$\left[ {{\rm{Cr}}{{\left( {{\rm{en}}} \right)}_2}} \right]{\rm{N}}{{\rm{O}}_2}$

$\left[ {{\rm{Ni}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_6}} \right]{\left[ {{\rm{B}}{{\rm{F}}_4}} \right]_2}$

Having all monodentate ligands

Having all the three bidentate ligands

Having two $trans$ bidentate ligands

Having two $trans$ monodentate ligands