JEE Main 2019 — D And F Block Elements Question with Solution
From: JEE Main 2019 (Online) 10th January Morning Slot
Question
The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :
Choose an option
Show full solutionCorrect option: C
Correct answer
Cdecrease in both atomic and ionic radii
Step-by-step explanation
Due to Lanthanoid contraction both atomic radii and ionic radii decreases gradually in the lanthanoid series.
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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.