Which among the following cations forms a most stable complex with the same ligand?

Which among the following cations forms a most stable complex with the same ligand?
  1. $\mathrm{Fe}^{2+}$
  2. $\mathrm{Co}^{2+}$
  3. $\mathrm{Mn}^{2+}$
  4. $\mathrm{Cd}^{2+}$

Solution

As we move from left to right size $\downarrow$ and stability $\uparrow$

Asked in: MHT CET 2022 (07 Aug Shift 2)

Practice more Coordination Compounds questions on Aicharya