JEE Main 2024 — Classification of Elements and Periodicity in Properties Question with Solution
JEE Main 2024 (04 Apr Shift 1)
Question
Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is ______.
B, C, N, S, O, F, P, Al, Si
Choose an option
Show full solutionCorrect option: B
Correct answer
B3
Step-by-step explanation
can't extend their valencies upto their group number due to the non-availability of vacant like orbital.
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This is a previous-year question from JEE Main 2024, 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.