The trend of basicity of lanthanoid hydroxides | CHEMISTRY - THE LANTHANOIDS | SolveeIt | Solveeit

Today, August 19

Question

The trend of basicity of lanthanoid hydroxides

A

Increase across the lanthanoid series

B

Decrease across the lanthanoid series

C

First increase and then decreases

D

First decreases and then increases

Answer

Decrease across the lanthanoid series

Explanation

Solution

Basicity of lanthanoid hydroxides decrease across the series due to decrease in ionic radii across the series.