Q. Which one of the following has the regular tetrahedral structure? (Atomic numbers B = 5, S = 16, Ni = 28, Xe = 54)
A) $XeF_{4}$
B) $SF_{4}$
C) ${BF}_{4}^{-}$
D) $\left\lbrack Ni(CN)_{3} \right\rbrack^{2 -}$
Explanation
(c)
Tetrahedral structure is associated with $sp^{3}$ hybridised central atom without any lone pair. The structure of all the compounds given are as follows :
[image:4_image163.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.