If the dipole moment of $\mathrm{H}_2 \mathrm{~S}, \mathrm{NH}_3, \mathrm{NF}_3$ and $\mathrm{BF}_3$ are $0…
If the dipole moment of $\mathrm{H}_2 \mathrm{~S}, \mathrm{NH}_3, \mathrm{NF}_3$ and $\mathrm{BF}_3$ are $0.95 \mathrm{D}, 1.47 \mathrm{D}, 0.23 \mathrm{D}$ and $0.0 \mathrm{D}$ respectively, the molecule that has trigonal planar structure is :