Chemistry · Chemical Bonding and Molecular Structure
According to Molecular Orbital Theory (MOT), the correct increasing order of energy for the molecular orbitals of an O2 molecule is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1σ1s2 < σ*1s2 < σ2s2 < σ*2s2 < (π2px2 = π2py2) < (π*2px2 = π*2py2)
- 2σ1s2 < σ*1s2 < σ2s2 < (π2px2 = π2py2) < (π*2px2 = π*2py2) < σ*2s2
- 3σ1s2 < σ*1s2 < σ2s2 < σ*2s2 < σ2pz2 < (π2px2 = π2py2) < (π*2px1 = π*2py1)✓
- 4σ1s2 < σ*1s2 < σ2s2 < σ*2s2 < (π2px2 = π2py2) < σ2pz2 < (π*2px1 = π*2py1)
Correct answer
σ1s2 < σ*1s2 < σ2s2 < σ*2s2 < σ2pz2 < (π2px2 = π2py2) < (π*2px1 = π*2py1)
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