Which species has the maximum number of lone pair of electrons on the central atom?

CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding

Problem

Which species has the maximum number of lone pair of electrons on the central atom? (1)

[\text{ClO}_3]^-

(2)

\text{XeF}_4

(3)

\text{SF}_4

(4)

[\text{I}_3]^-