Which of the following species has maximum tendency to form complexes?

Which of the following species has maximum tendency to form complexes?
  1. $\mathrm{La}^{3+}$
  2. $\mathrm{Lu}^{3+}$
  3. Git $^{3+}$
  4. $\mathrm{Ce}^{3+}$

Solution

$\mathrm{Lu}^{3+}$ being smallest (due to lanthanide contraction) has maximum tendency to form complexes. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

Practice more THE D AND F BLOCK ELEMENTS questions on Aicharya