Question

$S{F}_4,B{F}_4^{-},Cl{F}_3,As{F}_3,PC{l}_5,Br{F}_5,Xe{F}_4,S{F}_6$
The number of species that have two lone pairs of electrons in their central atom is/are

(JEE (MAIN)-2021)

Answer 1

Species No. of lone pair of electron
present on central atom

$S{F}_4$ 1

$B{F}_4^{-}$ 0

$Cl{F}_3$ 2

$As{F}_3$ 1

$PC{l}_5$ 0

$Br{F}_5$ 1

$Xe{F}_4$ 2

$S{F}_6$ 0

$Cl{F}_3$ has T-shape

$Xe{F}_4$ has Square planar shape