The metal d-orbitals that directly face the l | vedclass

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(B) $K_3[Co(CN)_6]$ is an octahedral coordination complex.In an octahedral geometry,the ligands approach the central metal ion along the $x, y,$ and $

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$d_{x^2 - y^2}$ and $d_{z^2}$

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(B) $K_3[Co(CN)_6]$ is an octahedral coordination complex.In an octahedral geometry,the ligands approach the central metal ion along the $x, y,$ and $z$ axes.The $d_{x^2 - y^2}$ and $d_{z^2}$ orbitals (collectively known as $e_g$ orbitals) have their electron density lobes directed along the axes.Therefore,these orbitals directly face the incoming ligands,leading to greater electrostatic repulsion and higher energy compared to the $t_{2g}$ orbitals $(d_{xy}, d_{xz}, d_{yz})$,which have lobes directed between the axes.

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

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