Question

The species having pyramidal shape is :

• A. $S{O}_3$
• B. $Br{F}_3$
• C. $Si{O}_3^{2-}$
• D. $OS{F}_2$

Answer 1

The correct option is D $OS{F}_2$

$SO{F}_2$ has $s{p}^3$ hybridization. According to VSEPR theory, we can conclude that the shape of $SO{F}_2$ is a trigonal pyramid.

Sulphur has a non-bonding pair of electrons on top, three downward legs of the pyramid are bonded to oxygen with a double bond & to each fluorine with a single bond.

$S{O}_2$ is $s{p}^2$ hybridized with three bond pairs and is trigonal.

$Br{F}_3$ is $s{p}^{3}d$ hybridized with trigonal bipyramidal shape.

$Si{O}_3^{-2}$ is $s{p}^2$ hybridized with trigonal shape.