JEE Main 2003 — d and f Block Elements Question with Solution
JEE Main 2003
Question
The atomic numbers of vanadium , Chromium , manganese and iron are respectively 23 , 24,25 and 26 . Which one of these may be expected to have the highest second ionization enthalpy?
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Electronic configuration of is
So due to half filled orbital I.P. is high of Cr.
So due to half filled orbital I.P. is high of Cr.
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This is a previous-year question from JEE Main 2003, covering the d and f 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.