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.
Found an issue with this question?
Related Questions
More from
Which of the following statements about the standard electrode potentials of transition metals is correct?
Assertion (A): Transition elements have higher enthalpies of atomisation compared to s-block elements. | Reason (R): Transition elements have a greate...
Consider a diagram showing the structure of chromate and dichromate ions. Which of the following statements correctly describes the geometric structur...