JEE Main 2019ChemistryD And F Block ElementsInner Transition Elements Lanthanoids And ActinoidsmediumMCQ

JEE Main 2019D And F Block Elements Question with Solution

From: JEE Main 2019 (Online) 12th January Evening Slot

Question

The correct order of atomic radii is :

Choose an option

Show full solutionCorrect option: D
Correct answer
DEu > Ce > Ho > N

Step-by-step explanation

In lanthanide series from left to right atomic radius decreases but the exception is Europiun (Eu) and Ytterbium (Yb).

So the correct order is : Eu > Ce > Ho > N

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About this question

This is a previous-year question from JEE Main 2019, 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.