chemistry:molecules

1.What hybrid orbitals of sulfur are involved in the bonding in gaseous SO3?
sp
d2sp3
sp2
sp3

2.Which hybrid orbital does NOT agree with expected geometry of the paired molecule?
HgCl2, sp
SF6, d2sp3
PF5, dsp3
BF3, sp3

3.According to the valence-bond method, which of the following molecules involves sp2 hybridization of orbitals on the carbon atom?
CO
C2H4
CO2
C2H6

4.What is the type of hybridization used by carbon in C2H2, (acetylene)?
sp3
sp
sp2
sp2d

5.The octahedral hybrid configuration is composed of which orbital combination?
sp3
sp2d3
sp3d
sp3d2

6.The geometry of sp3 hybridized orbitals is
triangular
octahedral
tetrahedral
linear

7. Which of the pairs of molecules below have the same hybridization on the central atom in each molecule? (The central atom is in bold.)
1BeH2, NH3
H2O, HNO
HOCl, ClF2
HCN, CO2