Which of the following statements concering 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 tricalent lanthanides stradily increases with increases in the atomic number.

Which of the following statements concering lanthanide elements is fal

1.	Which of the following statements concering 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 tricalent lanthanides stradily increases with increases in the atomic number.
Answer» Correct Answer - D Ionic radii of tracalent lanthanides decrease with increase in atomic number.

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