Chemistry Practice Problems Homonuclear Diatomic Molecules Practice Problems Solution: Draw molecular orbital diagrams for O2-, O22-, and...

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Solution: Draw molecular orbital diagrams for O2-, O22-, and O2. Which has the highest bond order? Which would be paramagnetic, and which would be diamagnetic? Can you draw good dot structures that correspond to each of these ions or molecules? 

Problem

Draw molecular orbital diagrams for O2-, O22-, and O2. Which has the highest bond order? Which would be paramagnetic, and which would be diamagnetic? Can you draw good dot structures that correspond to each of these ions or molecules?

 



Solution
  • First step is to find the total valence electrons for each molecule, O2 will appear to have 12 valence electrons (6+6 =12), O2- has 13 (12 +1) and O22- has 1(12+2)

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