QPT 2 P1 C 7

false...coz...the d-orbital will den hav....5 electrons...to have max..stability....3d⁶4s⁰

sry..its 3d6...editd

Yeah it's false...hund's rule.

4s is outer subshell from which electrons are already removed

http://forums.studentdoctor.net/showthread.php?t=629269

http://www2.abc.net.au/science/k2/stn/october2000/posts/topic149266.shtm

thanks Manish Sir

Adding an exception regarding Co³⁺

Source : http://www.targetiit.com/iit-jee-forum/posts/coordination-complexes-doubts-14557.html

Oh...I blindly followed avinav. Sorry...didn't even bother to check it myself!