1. [ PF4 ]+

Question

(a) What is the electron-group geometry, according to VSEPR theory?
(b) What is the molecular geometry?
(c) Is this species polar or nonpolar?

Answer 1

(a) The electron-group geometry is tetrahedral.
(b) The molecular geometry is also tetrahedral.
(c) This species is nonpolar because the four fluorine atoms are arranged symmetrically around the central phosphorus atom.