Oxygen Is Paramagnetic and Has a Bond Order of Two

question 7

Multiple Choice

Oxygen is paramagnetic and has a bond order of two. Which of the following represents the ground electronic state for oxygen?

• A)\(\left(\sigma_{1_{1}}\right)^{2}\left(\sigma_{1_{2}}^{.}\right)^{2}\left(\sigma_{2_{2}}\right)^{2}\left(\sigma_{2_{2}}^{.}\right)^{2}\left(\sigma_{2_{p_{1}}}\right)^{2}\)\(\left(\pi_{2 _{px}}\right)^{2}\left(\pi_{2 _{py}}\right)^{2}\)\(\left(\pi_{2_{px}}^{.}\right)^{1}\)\(\left(\pi_{2_{py}}^{.}\right)^{1}\)
• B)\(\left(\sigma_{1_{1}}\right)^{2}\)\(\left(\sigma_{1_{1}}^{.}\right)^{2}\left(\sigma_{1_{2}}\right)^{2}\left(\sigma_{2_{2}}^{.}\right)^{2}\left(\sigma_{2_{pt}}\right)^{2}\left(\sigma_{2_{p_{t}}}^{.}\right)^{2}\)\(\left(\pi_{2 _{px}}\right)^{2}\left(\pi_{2 _{py}}\right)^{2}\)
• C)\(\left(\sigma_{1_{i}}\right)^{2}\left(\sigma_{1_{1}}^{.}\right)^{2}\left(\sigma_{2_{2}}\right)^{2}\left(\sigma_{2_{2}}^{.}\right)^{2}\left(\sigma_{2_{p_{t}}}\right)^{2}\)\(\left(\pi_{2_{px}}\right)^{1}\left(\pi_{2_{py}}\right)^{1}\)
• D) A and C are equally probable
• E) None of the above

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Definitions:

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