Which of the following molecular species has unpaired electrons (s) ? (2002)

Chemistry · JEE Advanced · NTA Exams — Chemical Bonding and Molecular Structure

1. N₂
2. F₂
3. \(\mathrm{O}_{2}^{-}\)
4. \(\mathrm{O}_{2}^{2-}\)

Answer

(C) O _ 2 ^ -

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