The lanthonoide contraction is reponsible for the fact that | CHEMISTRY - THE LANTHANOIDS | SolveeIt | Solveeit

Today, August 19

Question

The lanthonoide contraction is reponsible for the fact that

A

Zr and Y have about the same radius

B

Zr and Nb have similar oxidation state

C

Zr and Hf have about the same radius

D

Zr and Ce have the same oxidation state

Answer

Zr and Hf have about the same radius

Explanation

Solution

Due to poor shielding of (n – 2)f-electrons, size of Zr and Hf remain same.