Multiple choice

Which of the following statements is correct?

  1. H2 is paramagnetic.

  2. O2 is paramagnetic.

  3. O2 is diamagnetic.

  4. N2 is paramagnetic.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

O2 (2 electrons): (σ1s2) (σ*1s2) (σ2s2) (σ*2s2) (∏2px2≈∏2px2) (σ 2pz2) (∏2px1≈∏2px1) 2 unpaired electrons. Hence, O2 is paramagnetic.

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