The molecular orbital configurations of O2+,O2−,O22− and O2 are O2+=σ1s2,σ1s2,σ2s2,σ2s2,σ2pz2,π2px2≈π2py2,π2px1≈π2py0O2−=σ1s2,σ⋅%1s2,σ2s2,σ2s2,σ2pz2,π2px2≈π2py2,π2px2≈π2py1O22−=σ1s2,σ⋅s2,σ2s2,σ2s2,σ2pz2,π2px2≈π2py2,π2px2≈π2py2.O2=σ1s2,σ1s2,σ2s2,σ∗2s2,σ2pz2,π2px2≈π2py2,π2px1≈π2py1 And the electronic configuration of O and O+ are O=1s2,2s2,2px2,2py1,2pz1O+=1s2,2s2,2px1,2py1,2pz1 As O2+,O2,O2−,O and O+have unpaired electrons, hence are paramagnetic.
The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?
NEET UG 2011 — Chemistry Inorganic Chemistry
The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?
Held on 30 Apr 2011 · Verified 9 Jul 2026.
Options
- A
O2−,O22− - Both diamagnetic
- B
O+,O22− - Both paramagnetic
- C
O2+,O2 - Both paramagnetic
- D
O,O22− - Both paramagnetic
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