If Z-axis is taken as inter nuclear axis identify correct relative MO energy order with respect to P - orbitals in O₂ molecule?

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$π_{2 p_{x}} > π_{2 p_{y}}^{*}$

${π^{*}}_{2 p_{x}} > π_{2 p_{y}}^{*}$

$π_{2 p_{y}}^{*} = π_{2 p_{y}}$

$σ_{2 p_{z}}^{*} > π_{2 p_{x}}^{*}$

answer is D.

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Detailed Solution

relative MO energy order : $σ_{2 p_{z}} < π_{2 p_{x}} = π_{2 p_{y}} < π_{2 p_{x}}^{*} = π_{2 p_{y}}^{*} < σ_{2 p_{z}}^{*}$

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