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Question: Answered & Verified by Expert
Among the following, the species having the smallest bond is
ChemistryChemical Bonding and Molecular StructureJEE MainJEE Main 2012 (07 May Online)
Options:
  • A
    $\mathrm{NO}^{-}$
  • B
    $\mathrm{NO}^{+}$
  • C
    $\mathrm{O}_2$
  • D
    $\mathrm{NO}$
Solution:
1880 Upvotes Verified Answer
The correct answer is:
$\mathrm{NO}^{+}$
$\mathrm{NO}^{-}(16)-$ B.O. $-2 \quad \mathrm{O}_2(16)-$ B.O. $-2$ $\mathrm{NO}^{+}(14)-$ B.O. $-3 \quad \mathrm{NO}(15)-$ B.O. $-2.5$ Higher the bond order lower is the bond length. Hence $\mathrm{NO}^{+}$will have smallest bond.

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