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Question: Answered & Verified by Expert


In hydrogen azide, the bond orders of bonds (I) and (II) are ______.
ChemistryChemical Bonding and Molecular StructureJEE MainJEE Main 2018 (15 Apr Shift 1 Online)
Options:
  • A
    I $ < 2$, II $>2$
  • B
    I $>2$, II $>2$
  • C
    I$>2$, II $ < 2$
  • D
    I $ < 2$, II $ < 2$
Solution:
1178 Upvotes Verified Answer
The correct answer is:
I $ < 2$, II $>2$
As in the resonance structure of hydrogen azide, it can be seen that number of $\mathrm{N}-\mathrm{N}$ bonds is $\leq 2$


Hence for bond (I), bond order will be $ < 2$ whereas for bond (II), number of bond $\geq 2$.
Thus its bond order will be $>2$.

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