Question

The hybridisation of central atoms in ${N_3}^{-}$, $NOCl$ and $N_{2}O$ respectively are:

• A. $sp,s{p}^2,sp$
• B. $sp,sp,s{p}^3$
• C. $s{p}^2,sp,sp$
• D. $s{p}^2,s{p}^2,sp$

Answer 1

Answer: (A)

$sp,s{p}^2,sp$

The hybridisation of central atoms in ${N_3}^{-}$, $NOCl$ and $N_{2}O$ respectively are $sp,s{p}^2,sp$.
The central $N$ atom in azide ion contains two bonding domains and zero lone pairs of electrons.
The central $O$ atom in $NOCl$ contains $2$ bonding domains and $1$ lone pair of electrons. The central $N$ atom in $N_{2}O$ contains two bonding domains and zero lone pair of electron.