Molecular Orbital Theory Correctly Predicts Paramagnetism of Oxygen Gas,O₂

question 102

Multiple Choice

Molecular Orbital theory correctly predicts paramagnetism of oxygen gas,O₂.This is because ________.

• A)the bond order in O₂ can be shown to be equal to 2
• B)there are more electrons in the bonding orbitals than in the antibonding orbitals
• C)the energy of the π_2p MOs is higher than that of the σ_2p MO
• D)there are two unpaired electrons in the MO electron configuration of O₂
• E)the O-O bond distance is relatively short

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