Multiple choice

In which of the following ionization processes has the magnetic behavior changed?
P. C2 → C2+ Q. O2 → O2+ R. N2 → N2+ S. F2 → F2-

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

  5. R and S
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

O2 (16 e-) : σ1s2 σ*1s2 σ2s2 σ*2s2 σ2pz2 π2px2 π2py2 σ *2pz2; diamagnetic O2+ (15 e-) : σ1s2 σ*1s2 σ2s2 σ*2s2 σ2pz2 π2px2 π2py2 σ *2pz1; paramagnetic

N2 (14 e-) : σ1s2 σ*1s2 σ2s2 σ*2s2 σ2pz2 π2px2 π2py2; diamagnetic N2+ (13 e-) : σ1s2 σ*1s2 σ2s2 σ*2s2 σ2pz2 π2px2 π2py1; paramagnetic

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