MO Theory: Heteronuclear Diatomic Molecules Video Lessons

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Problem: Which of the following is/are predicted to be stable diatomic species: OF+, F22-,  Ne22+, O22- ? Use the following valence MO order: σ2s < σ*2s < σ2px < π2py = π2pz < π*2py = π*2pz < σ*2pxA) OF+,  Ne22+ only B)  Ne22+ only C) OF+,  Ne22+, O22- only D) Ne22+, O22- only E) F22- only

FREE Expert Solution

Upon inspection of the molecular orbitals of each molecular species, Ne22+ and O22- are the ones that are diamagnetic (all electrons are paired) 

Rest of the species have unpaired electrons in its orbital

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Problem Details

Which of the following is/are predicted to be stable diatomic species: OF+, F22-,  Ne22+, O22- 

Use the following valence MO order: σ2s < σ*2s < σ2px < π2py = π2pz < π*2py = π*2pz < σ*2px

A) OF+,  Ne22+ only 

B)  Ne22+ only 

C) OF+,  Ne22+, O22- only 

D) Ne22+, O22- only 

E) F22- only

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