(b)
Number of lone pair in $XeOF_{4}$ is one (1). The structure of $XeOF_{4}$ is given as follows :
[image:4_image161.emf]
One $\pi$-bond so remaining six electron pairs form an octahedron with one position occupied by a lone pair.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.