Question

The molecular shapes of $S{F}_4,C{F}_4$ and $Xe{F}_4$ :

• A. differ with $1,0$ and $2$ lone pairs of electrons on the central atom, respectively.
• B. differ with $0,1$ and $2$ lone pairs of electrons on the central atom, respectively.
• C. are same with $1,1$ and $1$ lone pair of electrons on the central atom, respectively.
• D. are same with $2,0$ and $1$ lone pair of electrons on the central atom, respectively.

Answer 1

The correct option is A differ with $1,0$ and $2$ lone pairs of electrons on the central atom, respectively.

$S{F}_4$ $-s{p}^{3}d$ hybridised with $4$ bond pairs $1$ lone pair.
$C{F}_4-s{p}^3$ hybridised with $4$ bond pairs no lone pairs.

$Xe{F}_4-s{p}^3{d}^2$ hybridised with $4$ bond pairs $2$ lone pairs.