Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Electronic configuration of $ Fe^{+2} $ is:

Rajasthan PMTRajasthan PMT 2002

Solution:

Fe $($ atomic number $=26)$
$=1 s^{2}, 2 s^{2} \,2 p^{6}, 3 s^{2}\,3 p^{6} \,3 d^{6}, 4 s^{2}$
$ Fe ^{+2} =1 s^{2}, 2 s^{2} \,2 p^{6}, 3 s^{2}\, 3 p^{6} 3\, d^{6} $
$=[ Ar ] 3 d^{6}$