A) Lanthanides are separated from one another by ion exchange method
B) Ionic radii of trivalent lanthanides steadily increases with increase in the atomic number
C) All lanthanides are highly dense metals
D) More characteristic oxidation state of lanthanide elements is +3
Correct Answer: B
Solution :
Ionic radius of trivalent lanthanide?s almost remains constant with increase in the atomic number.You need to login to perform this action.
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