Home Chemistry D and F - Block Elements General Which of the following statements concerning…
Chemistry D and F - Block Elements General Single Correct MCQ
Published on: August 13, 2026

Which of the following statements concerning lanthanide elements is false?

A
All lanthanides are highly dense metals
B
More characteristic oxidation state of lanthanide elements is +3
C
Lanthanides are separated from one another by ion exchange method.
D
Ionic radii of trivalent lanthanides steadily increase with increase in the atomic number.

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The correct answer is:
D

Ionic radii of trivalent lanthanides decrease with increase in atomic number.

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