Which one of the following nitrogen oxides may dimerize?
- A. N_{2}O
- B. NO_{2} ✓
- C. N_{2}O_{3}
- D. N_{2}O_{5}
Correct Answer: B. NO_{2}
Explanation
Nitrogen dioxide (NO_{2}) has an odd number of valence electrons and dimerizes to form dinitrogen tetroxide (N_{2}O_{4}) to achieve stability.
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