The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is (are)

1. $\left[\text{Cr}{\left({\text{NH}}_3\right)}_5\text{Cl}\right]{\text{Cl}}_2$ and $\left[\text{Cr}{\left({\text{NH}}_3\right)}_4{\text{Cl}}_2\right]\text{Cl}$
2. ${\left[\text{Co}{\left({\text{NH}}_3\right)}_4{\text{Cl}}_2\right]}^{+}$ and ${\left[\text{Pt}{\left({\text{NH}}_3\right)}_2\left({\text{H}}_2\text{O}\right)\text{Cl}\right]}^{+}$
3. ${\left[\text{Co}{\text{Br}}_2{\text{Cl}}_2\right]}^{2-}$ and ${\left[\text{Pt}{\text{Br}}_2{\text{Cl}}_2\right]}^{2-}$
4. $\left[\text{Pt}{\left({\text{NH}}_3\right)}_3\left({\text{NO}}_3\right)\right]\text{Cl}$ and $\left[\text{Pt}{\left({\text{NH}}_3\right)}_3\text{Cl}\right]\text{Br}$

Solution

Asked in: JEE Advanced 2013 (Paper 1)

Practice more Coordination Compounds questions on Aicharya