Chemistry - Coordination Chemistry Question with Solution | TestHub

$\left({\left[{\mathrm{FeF}}_6\right]}^{3-},{\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{3+}\right)$ and $\left({\left[\mathrm{Co}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{3+},{\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}^{3+}\right)$

$\left({\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+},{\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{4-}\right)$ and $\left({\left[{\mathrm{CoF}}_6\right]}^{3-},{\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}^{3+}\right)$

$\left({\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{3+},{\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{4-}\right)$ and $\left({\left[\mathrm{Co}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{3+},{\left[\mathrm{Co}(\mathrm{CN}{)}_6\right]}^{4-}\right)$

$\left({\left[\mathrm{Fe}(\mathrm{en}{)}_3\right]}^{2+},{\left[\mathrm{Fe}{\left({\mathrm{NO}}_2\right)}_6\right]}^{4-}\right)$ and $\left({\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}^{2+},{\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}^{3+}\right)$