Chemistry - Coordination Chemistry Question with Solution | TestHub

$\left[{\mathrm{M}}^{\mathrm{II}}{\left({\mathrm{NH}}_3\right)}_2(\mathrm{Py}{)}_2{\left({\mathrm{NO}}_2\right)}_2\right]\underset{\text{-Py }}{\overset{+{\mathrm{NH}}_3}{\to }}\left[{\mathrm{M}}^{\mathrm{II}}{\left({\mathrm{NH}}_3\right)}_3(\mathrm{Py}){\left({\mathrm{NO}}_2\right)}_2\right]$ (M-central metal atom/ion) Difference between the total geometrical isomers of reactant and product is: