JEE Main 2020 — s Block Elements Question with Solution
JEE Main 2020 (03 Sep Shift 2)
Question
Among the statement (I – IV), the correct ones are:
(I) Be has smaller atomic radius compared to Mg.
(II) Be has higher ionization enthalpy than AI.
(III) Charge/radius ratio of Be is greater than that of Al.
(IV) Both Be and Al form mainly covalent compounds
Choose an option
Show full solutionCorrect option: A
Correct answer
A(I), (II) and (IV)
Step-by-step explanation
Charge/radius ratio of and is same because of diagonal relationship. Remaining statements are correct.
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This is a previous-year question from JEE Main 2020, covering the s 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.