Question 1
According to principles of VSEPR theory applied on AsCl
52-, which of the following is INCORRECT?
◦ VSEPR formula = AX
5E
◦ molecular geometry = square planar
◦ electron-group geometry = octahedral
◦ hybridization =
sp3d2 ◦ one lone pair and 5 bonding pairs
Question 2
According to the molecular orbital (MO) theory, when two oxygen atoms bond together, their 2
p orbitals combine to form:
◦ two sigma molecular orbitals (MOs) and four pi MOs
◦ two sigma MOs and two pi MOs
◦ four pi MOs only
◦ one sigma and one pi MO
◦ a delocalized set of MO