A) \[0\]
B) \[1\]
C) \[2\]
D) \[3\]
Correct Answer: C
Solution :
Molecular orbital configuration \[{{O}_{2}}\] is. \[\sigma {{(1s)}^{2}},{{\sigma }^{*}}{{(1s)}^{2}},\sigma {{(2s)}^{2}}{{\sigma }^{*}}{{(2s)}^{2}}\] \[\sigma {{(2p)}^{2}}{{\pi }_{y}}{{(2p)}^{2}}{{\pi }_{z}}{{(2p)}^{2}}\pi _{y}^{*}{{(2p)}^{1}}\pi _{z}^{*}{{(2p)}^{1}}\] Therefore, number of unpaired electrons \[=2\]
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