Which of the following statement concerning lanthanide elements is false?
Chemistry · Class 12 · CBSE — The d- and f-Block Elements
Which of the following statement concerning lanthanide elements is false?
- All lanthanides are highly dense metals.
- More characteristic oxidation state of lanthanide elements is +3.
- Lanthanides are separated from one another by ion exchange method.
- Ionic radii of trivalent lanthanides steadily increases with increase in the atomic number.
Answer
(D) Ionic radii of trivalent lanthanides steadily increases with increase in the atomic number.
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