1. 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
Dana & Michelle Chatellier
University of Delaware
© Copyright 2009, Pearson Education

2. The methane (CH4) molecule
has what geometry?
a.
b.
c.
d.
linear
trigonal bipyramidal
trigonal planar
tetrahedral

3. The methane (CH4) molecule
has what geometry?
a.
b.
c.
d.
linear
trigonal bipyramidal
trigonal planar
tetrahedral

4. The overall shape of a molecule
is determined by its:
a.
b.
c.
d.
atoms.
bond angles.
symmetry.
electron affinity.

5. The overall shape of a molecule
is determined by its:
a.
b.
c.
d.
atoms.
bond angles.
symmetry.
electron affinity.

6. The phosphorus trichloride
(PCl3) molecule has what
electron domain geometry?
a.
b.
c.
d.
tetrahedral
trigonal planar
pyramidal
trigonal bipyramidal

7. The phosphorus trichloride
(PCl3) molecule has what
electron domain geometry?
a.
b.
c.
d.
tetrahedral
trigonal planar
pyramidal
trigonal bipyramidal

8. The phosphorus trichloride
(PCl3) molecule has what
molecular geometry?
a.
b.
c.
d.
tetrahedral
trigonal planar
trigonal pyramidal
trigonal bipyramidal

9. The phosphorus trichloride
(PCl3) molecule has what
molecular geometry?
a.
b.
c.
d.
tetrahedral
trigonal planar
trigonal pyramidal
trigonal bipyramidal

10. What is the bond order in
O22– ?
1. 0
2. 0.5
3. 1
4. 1.5
5. 2

11. What is the bond order in
O22– ?
1. 0
2. 0.5
3. 1
4. 1.5
5. 2

12. The hybridization of the oxygen
atom in a water molecule is:
a.
b.
c.
d.
sp
sp2
sp3
sp3d

13. The hybridization of the oxygen
atom in a water molecule is:
a.
b.
c.
d.
sp
sp2
sp3
sp3d

14. The bromine trifluoride (BrF3)
molecule has what geometry?
a.
b.
c.
d.
see-saw shaped
trigonal planar
pyramidal
T-shaped

15. The bromine trifluoride (BrF3)
molecule has what geometry?
a.
b.
c.
d.
see-saw shaped
trigonal planar
pyramidal
T-shaped

16. The xenon tetrafluoride (XeF4)
molecule has what geometry?
a.
b.
c.
d.
square planar
tetrahedral
see-saw shaped
trigonal bipyramidal

17. The xenon tetrafluoride (XeF4)
molecule has what geometry?
a.
b.
c.
d.
square planar
tetrahedral
see-saw shaped
trigonal bipyramidal

18. The most stable geometry for six
electron domains is:
a.
b.
c.
d.
square planar.
octahedral.
square pyramidal.
tetrahedral.

19. The most stable geometry for six
electron domains is:
a.
b.
c.
d.
square planar.
octahedral.
square pyramidal.
tetrahedral.

20. In the formic acid (HCO2H)
molecule, the values of the bond
angles, in degrees, are:
a.
b.
c.
d.
O–C–O = 180, C–O–H = 120
O–C–O = 120, C–O–H = 109
O–C–O = 180, C–O–H = 180
O–C–O = 109, C–O–H = 109

21. In the formic acid (HCO2H)
molecule, the values of the bond
angles, in degrees, are:
a.
b.
c.
d.
O–C–O = 180, C–O–H = 120
O–C–O = 120, C–O–H = 109
O–C–O = 180, C–O–H = 180
O–C–O = 109, C–O–H = 109

22. In which molecule below is the
central atom sp3d-hybridized?
a. CH4
b. SO3
c. SeBr4
d. XeOF4

23. In which molecule below is the
central atom sp3d-hybridized?
a. CH4
b. SO3
c. SeBr4
d. XeOF4

24. How many pi bonds are there in
the molecule below?
CH3–CH=CH–CH=O
a.
b.
c.
d.
1
2
3
4

25. How many pi bonds are there in
the molecule below?
CH3–CH=CH–CH=O
a.
b.
c.
d.
1
2
3
4

26. Which are polar
molecules?
1.a and b
2.a, b, and c
3.a and c
4.a, c, and d
5.c and e

27. Which are polar
molecules?
1.a and b
2.a, b, and c
3.a and c
4.a, c, and d
5.c and e

28. What is the molecular
geometry of NO2?
1.Linear
2.Bent
3.Trigonal planar
4.Tetrahedral
5.Pyramidal

29. What is the molecular
geometry of NO2?
1.Linear
2.Bent
3.Trigonal planar
4.Tetrahedral
5.Pyramidal

30. What is the molecular
geometry of XeF4?
1.Linear
2.Trigonal planar
3.Square planar
4.Tetrahedral
5.Pyramidal

31. What is the molecular
geometry of XeF4?
1.Linear
2.Trigonal planar
3.Square planar
4.Tetrahedral
5.Pyramidal

32. What is the
hybridization of sulfur in
SO42–?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2

33. What is the
hybridization of sulfur in
SO42–?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2

34. What is the hybridization of
nitrogen in HNO3?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2

35. What is the hybridization of
nitrogen in HNO3?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2

36. What is the hybridization of
sulfur in methyl mercaptan,
CH3SH?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2

37. What is the hybridization of
sulfur in methyl mercaptan,
CH3SH?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2

38. How many sigma and pi bonds
are in the molecule acetic acid,
CH3COOH?
1. 6 sigma bonds, 2 pi
bonds
2. 7 sigma bonds, 1 pi bond
3. 7 sigma bonds, 2 pi
bonds
4. 8 sigma bonds, 0 pi
bonds
5. 8 sigma bonds, 1 pi bond

39. How many sigma and pi bonds
are in the molecule acetic acid,
CH3COOH?
1. 6 sigma bonds, 2 pi
bonds
2. 7 sigma bonds, 1 pi bond
3. 7 sigma bonds, 2 pi
bonds
4. 8 sigma bonds, 0 pi
bonds
5. 8 sigma bonds, 1 pi bond

40. How many sigma and pi
bonds are present in sulfur
trioxide, SO3?
1. 4 sigma bonds, 0 pi
bonds
2. 4 sigma bonds, 1 pi
bond
3. 3 sigma bonds, 0 pi
bonds
4. 3 sigma bonds, 1 pi
bond
5. 3 sigma bonds, 2 pi
bond

41. How many sigma and pi
bonds are present in sulfur
trioxide, SO3?
1. 4 sigma bonds, 0 pi
bonds
2. 4 sigma bonds, 1 pi
bond
3. 3 sigma bonds, 0 pi
bonds
4. 3 sigma bonds, 1 pi
bond
5. 3 sigma bonds, 2 pi
bond