JEE Main 2017 — Classification of Elements and Periodicity in Properties Question with Solution
JEE Main 2017 (09 Apr Online)
Question
The electronic configuration with the highest ionization enthalpy is:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
(i) Ionisation energy decrease with increasing atomic radius.
(ii) Half filled and completely filled electronic configuration are extra stable.
(ii) Half filled and completely filled electronic configuration are extra stable.
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This is a previous-year question from JEE Main 2017, 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.