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Question: Answered & Verified by Expert
Arrange the following in the increasing order of their bond order
$\mathrm{O}_{2}, \mathrm{O}_{2}^{+}, \mathrm{O}_{2}^{-}$and $\mathrm{O}_{2}^{2-}$
ChemistryChemical Bonding and Molecular StructureKCETKCET 2009
Options:
  • A $\mathrm{O}_{2}^{2-}, \mathrm{O}_{2}^{-}, \mathrm{O}_{2}, \mathrm{O}_{2}^{+}$
  • B $\mathrm{O}_{2}^{2-}, \mathrm{O}_{2}^{-}, \mathrm{O}_{2}^{+}, \mathrm{O}_{2}$
  • C $\mathrm{O}_{2}^{+}, \mathrm{O}_{2}, \mathrm{O}_{2}^{-}, \mathrm{O}_{2}^{2-}$
  • D $\mathrm{O}_{2}, \mathrm{O}_{2}^{+}, \mathrm{O}_{2}^{-}, \mathrm{O}_{2}^{2-}$
Solution:
1582 Upvotes Verified Answer
The correct answer is: $\mathrm{O}_{2}^{2-}, \mathrm{O}_{2}^{-}, \mathrm{O}_{2}, \mathrm{O}_{2}^{+}$
Species : $\quad \mathrm{O}_{2}^{2-} \mathrm{O}_{2}^{-} \mathrm{O}_{2} \mathrm{O}_{2}^{+}$
Bond order: $11 \quad 1.5 \quad 2 \quad 2.5$

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