Which of the following molecules possesses a non-zero dipole moment and exhibits ${\text{sp}}^3\text{d}$ hybridization at the central atom?

Solution

1. The central atom in ${\text{SF}}_4$ is $\text{S}$ with $6$ valence electrons.
2. It forms $4$ bonds with $\text{F}$ atoms and has $1$ lone pair, resulting in ${\text{sp}}^3\text{d}$ hybridization.
3. The seesaw geometry leads to an asymmetric distribution of charge.
4. Hence the answer is (C).