JEE Main 2005 — Classification of Elements and Periodicity in Properties Question with Solution
JEE Main 2005
Question
In which of the following arrangements the order is NOT according to the property indicated against it?
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Increasing first ionization enthalpy
Step-by-step explanation
B < C < O < N
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This is a previous-year question from JEE Main 2005, 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.