A) \[{{({{\pi }^{*}}2{{p}_{x}})}^{1}}{{(\pi 2{{p}_{y}})}^{1}}\]
B) \[{{({{\pi }^{*}}2{{p}_{y}})}^{1}}{{({{\pi }^{*}}2{{p}_{z}})}^{1}}\]
C) \[{{({{\sigma }^{*}}2s)}^{1}}{{(\pi 2{{p}_{y}})}^{1}}\]
D) \[{{({{\sigma }^{*}}2s)}^{1}}{{(\pi 2{{p}_{y}})}^{1}}\]
E) \[{{(\pi 2{{p}_{x}})}^{1}}{{(\pi 2{{p}_{y}})}^{1}}\]
Correct Answer: B
Solution :
The molecular electronic configuration of\[{{O}_{2}}\]is: \[{{O}_{2}}=[KK{{(\sigma 2s)}^{2}}{{({{\sigma }^{*}}2s)}^{2}}{{(\sigma 2{{p}_{x}})}^{2}}{{(\pi 2{{p}_{y}})}^{2}}\] \[{{(\pi 2{{p}_{z}})}^{2}}{{({{\pi }^{*}}2{{p}_{y}})}^{1}}{{({{\pi }^{*}}2{{p}_{z}})}^{1}}]\]
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