JEE Main 2002 — d and f Block Elements Question with Solution
JEE Main 2002
Question
Arrange and in increasing order of their ionic radii
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
According to their positions in the periods, these values are in the order :
This is due to lanthanide contraction
This is due to lanthanide contraction
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This is a previous-year question from JEE Main 2002, covering the d and f Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.