AIPMT PRELIMS2001Chemistry-f-Block Elements
AIPMT PRELIMS 2001 Chemistry Lanthanides MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following statement is not correct
A
La(OH)₃ is less basic than Lu(OH)₃
B
In Lanthanide series ionic radius of Ln³⁺ ions decreases
C
La is actually an element of transition series rather Lanthanide
D
Atomic radius of Zr and Hf are same because of Lanthanide contraction
Correct Answer
Option A
Detailed Explanation
La is a Lanthanide, not a transition element. The other statements are correct regarding basicity, ionic radius, and atomic radii.
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