JEE Main 2008 — D And F Block Elements Question with Solution
From: AIEEE 2008
Question
Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the
main reason being :
Choose an option
Show full solutionCorrect option: B
Correct answer
Blesser energy difference between 5f and 6d than between 4f and 5d orbitals
Step-by-step explanation
NOTE : The main reason for exhibiting larger number of oxidation states by actinoids as compared to lanthanoids is lesser energy difference between and orbitals as compared to that between and orbitals.
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This is a previous-year question from JEE Main 2008, 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.