JEE Main 2022Chemistryd and f Block ElementsMediumMCQ

JEE Main 2022d and f Block Elements Question with Solution

JEE Main 2022 (26 Jun Shift 2)

Question

The most common oxidation state of Lanthanoid elements is +3. Which of the following is likely to deviate easily from +3 oxidation state?

Choose an option

Show full solutionCorrect option: A
Correct answer
ACeAt. No,58

Step-by-step explanation

Electronic configuration of Ce=Xe4f15d16s24eXe

Cerium in +4 oxidation state due to stable xenon configuration. La, Lu and Gd are stable in +3 oxidation state.

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About this question

This is a previous-year question from JEE Main 2022, 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.