Oxygen Has Two Common Molecular Anions: Peroxide (O₂^2-) and Superoxide

question 68

Multiple Choice

Oxygen has two common molecular anions: peroxide (O₂^2-) and superoxide (O₂^-) . Use the MO energy level diagram below to identify which one of the following statements is not correct. These molecular orbitals are formed from the 2s and 2p atomic orbitals.

• A) The bond order of the peroxide is 1.
• B) The superoxide has a shorter bond than the peroxide.
• C) Like O₂, the peroxide is paramagnetic.
• D) The superoxide has a stronger bond than the peroxide.
• E) Oxygen, O₂, has a stronger bond than either of these oxides.

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