Class 12 NEET Chemistry D And F Block Elements Questions

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Question : 101 of 110

Marks: +1, -0

Which of the following statement concerning lanthanide elements is false?

(1994)

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.

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