D And F Block Elements 01 Ques5

Question: Which of the following non-metals is least likely to form interstitial compounds with lanthanoids?

Options:

A) Hydrogen

B) Carbon

C) Nitrogen

D) Chlorine

Show Answer

Answer: d

Explanation:

A) Hydrogen can form interstitial compounds with lanthanoids.

B) Carbon can form interstitial compounds with lanthanoids.

C) Nitrogen can form interstitial compounds with lanthanoids.

D) Chlorine, due to its larger atomic size compared to H, C, and N, is least likely to form interstitial compounds with lanthanoids.