JEE Main 2020ChemistryD And F Block ElementsInner Transition Elements Lanthanoids And ActinoidseasyMCQ

JEE Main 2020D And F Block Elements Question with Solution

From: JEE Main 2020 (Online) 6th September Morning Slot

Question

The lanthanoid that does NOT show +4 oxidation state is :

Choose an option

Show full solutionCorrect option: D
Correct answer
DEu

Step-by-step explanation

Europium (Eu)
Atomic No = 63
Electronic configuration = [Xe]4f76s2
Can show only + 2 and + 3 oxidation state.

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About this question

This is a previous-year question from JEE Main 2020, 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.