JEE Main 2013 — d and f Block Elements Question with Solution
JEE Main 2013 (07 Apr)
Question
Which of the following arrangements does not represent the correct order of the property stated against it?
Choose an option
Show full solutionCorrect option: C
Correct answer
CV2+< Cr2+ < Mn2+ < Fe2+: Paramagnetic behaviour
Step-by-step explanation
No. of unpaired electrons
On moving left to right in the periodic table, ionic size decreases.
Sc shows only one oxidation state, and it is +3 but Mn shows variable oxidation state from +2 to +7.
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This is a previous-year question from JEE Main 2013, 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.