JEE Main 2006 — d and f Block Elements Question with Solution
JEE Main 2006
Question
Lanthanoid contraction is caused due to
Choose an option
Show full solutionCorrect option: D
Correct answer
Dthe imperfect shielding on outer electrons by 4f electrons from the nuclear charge
Step-by-step explanation
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This is a previous-year question from JEE Main 2006, 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.