D And F Block Elements 01 Ques2
Question: What is the primary reason for the formation of interstitial compounds in lanthanoids?
Options:
A) Small atomic size of lanthanoids
B) Large atomic size of lanthanoids
C) High electronegativity of lanthanoids
D) Low melting points of lanthanoids
Show Answer
Answer: b
Explanation:
A) Lanthanoids have relatively large atomic sizes, not small.
B) The large atomic size of lanthanoids allows for the accommodation of smaller non-metal atoms in the interstices of their crystal lattices.
C) Lanthanoids have low electronegativity, not high.
D) Lanthanoids generally have high melting points, not low.
BETA
