# Which one of the following complexes is an outer orbital complex

$\begin{array}{1 1}(a)\;[Fe(CN)_6]^{4-}&(b)\;[Ni(NH_3)_6]^{2-}\\(c)\;[CO(NH_3)_6]^{2-}&(d)\;[Mn(CN)_6]^{4-}\end{array}$

Solution :
Complexion Hybridization of central atom
edited Nov 20, 2017 by meena.p