In hydrogen azide, the bond orders of bonds (I) and (II) are ______.

In hydrogen azide, the bond orders of bonds (I) and (II) are ______.

1. I $ < 2$, II $>2$
2. I $>2$, II $>2$
3. I$>2$, II $ < 2$
4. I $ < 2$, II $ < 2$

Solution

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 $>2$.

Asked in: JEE Main 2018 (15 Apr Shift 1 Online)

Practice more Chemical Bonding and Molecular Structure questions on Aicharya