Chemistry - Coordination Chemistry Question with Solution | TestHub

${\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_4{\mathrm{Cl}}_2\right]}^{+}$has Cis-trans isomers

$\mathrm{Cis}-{\left[\mathrm{Co}(\mathrm{en}{)}_2{\mathrm{Cl}}_2\right]}^{+}$can have optical isomers

$\left[\mathrm{Co}(en{)}_2\left({\mathrm{NO}}_2\right)\mathrm{Cl}\right]SCN\to$ have ionization isomerism

$\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]\left[{\mathrm{C}}_8(\mathrm{CN}{)}_6\right]$ have coordination isomerism.