JEE Main 2014ChemistryClassification of Elements and Periodicity in PropertiesEasyMCQ

JEE Main 2014Classification of Elements and Periodicity in Properties Question with Solution

JEE Main 2014 (19 Apr Online)

Question

Which one of the following has largest ionic radius ?

Choose an option

Show full solutionCorrect option: C
Correct answer
CO2-

Step-by-step explanation

With increase in +ve charge, size of cation decreases.
With increase in -ve charge, size of anion increases.
Across the period, ionic size, decreases. 
So correct order is B3+ <  Li+ < F- < O2-

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About this question

This is a previous-year question from JEE Main 2014, covering the Classification of Elements and Periodicity in Properties 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.