Q. The molecular shapes of $SF_{4},\ CF_{4}\$and$\ XeF_{4}$ are
A) Different with 1, 0 and 2 lone pairs of electrons on the central atom, respectively
B) Different with 0, 1 and 2 lone pairs of electrons on the central atom, respectively
C) The same with 1, 1 and 1 lone pairs of electrons on the central atoms, respectively
D) The same with 2, 0 and 1 lone pairs of electrons on the central atom, respectively
Explanation
(a)
[table] Molecule | Structure | Hybridisation of central atom | Lone pair ; $SF_{4}$
$CF_{4}$
$XeF_{4}$ | [image:4_image134.emf]
$F$
$|$
$F - C - F$
$|$
$F$
[image:4_image135.emf] | $sp^{3}d$
$sp^{3}$
$sp^{3}d^{2}$ | One
Zero
Two [/table]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.