NEET Chemistry Lanthanides MCQ Question
Which of the following statements concerning lanthanide elements is false?
All lanthanides are highly dense metals.
Most 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.
Correct Answer
Detailed Explanation
The ionic radii of trivalent lanthanides decrease with an increase in atomic number due to the lanthanide contraction.
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