Q. How many electrons are present in 3d orbital of tetrahedral $K_2 [NiCl_4]$ complex?
Gujarat CETGujarat CET 2008Coordination Compounds
Solution:
For complex $K_2[NiCl_4]$
Oxidation number of Ni= +2
Electronic configuration of 28 Ni 2+ :
$1s^2, 2s^2 2p^6, 3s^23p^6 3d^8$
