Question

The metal d-orbitals that are directly facing the ligands in $K_3[Co(CN)_6]$ are :

• A. $d_{xz}, d_{yz}$ and $d_{z^2}$
• B. $d_{xy}, d_{xz}$ and $d_{yz}$
• C. $d_{xy}$ and $d_{x^2-y^2}$
• D. $d_{x^2-y^2}$ and $d_{z^2}$

Answer 1

Answer: (D)

$K_{3}\left[Co\left(CN\right)_{6}\right] $
$Co^{+3} \to \left[Ar\right]_{18} 3d^{6} $