1. Chapter 9 Molecular Geometry and Bonding Theories
Chemistry, The Central Science, 11th edition
Theodore L. Brown; H. Eugene LeMay, Jr.;
Bruce E. Bursten and Catherine J. Murphy
Chapter 9 Molecular Geometry and Bonding Theories
Donna Narsavage Heald
Siena College
Loudonville, NY
 2009, Prentice Hall

2. Which are polar molecules?
a and b
a, b, and c
a and c
a, c, and d
c and e

3. Which are polar molecules?
a and b
a, b, and c
a and c
a, c, and d
c and e

4. What is the molecular geometry of NO2?
Linear
Bent
Trigonal planar
Tetrahedral
Pyramidal

5. What is the molecular geometry of NO2?
Linear
Bent
Trigonal planar
Tetrahedral
Pyramidal

6. What is the molecular geometry of XeF4?
Linear
Trigonal planar
Square planar
Tetrahedral
Pyramidal

7. What is the molecular geometry of XeF4?
Linear
Trigonal planar
Square planar
Tetrahedral
Pyramidal

8. What is the hybridization of sulfur in SO42–?sp
sp2
sp3
sp3d
sp3d2

9. What is the hybridization of sulfur in SO42–?sp
sp2
sp3
sp3d
sp3d2

10. What is the hybridization of nitrogen in HNO3?sp
sp2
sp3
sp3d
sp3d2

11. What is the hybridization of nitrogen in HNO3?sp
sp2
sp3
sp3d
sp3d2

12. What is the hybridization of sulfur in methyl mercaptan, CH3SH?sp
sp2
sp3
sp3d
sp3d2

13. What is the hybridization of sulfur in methyl mercaptan, CH3SH?sp
sp2
sp3
sp3d
sp3d2

14. How many sigma and pi bonds are in the molecule acetic acid, CH3COOH?
6 sigma bonds, 2 pi bonds
7 sigma bonds, 1 pi bond
7 sigma bonds, 2 pi bonds
8 sigma bonds, 0 pi bonds
8 sigma bonds, 1 pi bond

15. How many sigma and pi bonds are in the molecule acetic acid, CH3COOH?
6 sigma bonds, 2 pi bonds
7 sigma bonds, 1 pi bond
7 sigma bonds, 2 pi bonds
8 sigma bonds, 0 pi bonds
8 sigma bonds, 1 pi bond

16. How many sigma and pi bonds are present in sulfur trioxide, SO3?
4 sigma bonds, 0 pi bonds
4 sigma bonds, 1 pi bond
3 sigma bonds, 0 pi bonds
3 sigma bonds, 1 pi bond
3 sigma bonds, 2 pi bond

17. How many sigma and pi bonds are present in sulfur trioxide, SO3?
4 sigma bonds, 0 pi bonds
4 sigma bonds, 1 pi bond
3 sigma bonds, 0 pi bonds
3 sigma bonds, 1 pi bond
3 sigma bonds, 2 pi bond

18. What is the bond order in O22– ?
0.5 1
1.5 2

19. What is the bond order in O22– ?
0.5 1
1.5 2