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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
The methane (CH4) molecule
has what geometry?
a.
b.
c.
d.

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

linear
trigonal bipyramidal
trigonal planar
tetrahedral
The overall shape of a molecule
is determined by its:
a.
b.
c.
d.

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

atoms.
bond angles.
symmetry.
electron affinity.
The phosphorus trichloride
(PCl3) molecule has what
electron domain geometry?
a.
b.
c.
d.

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

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

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

tetrahedral
trigonal planar
trigonal pyramidal
trigonal bipyramidal
What is the bond order in
O22– ?
1. 0
2. 0.5
3. 1
4. 1.5
5. 2
What is the bond order in
O22– ?
1. 0
2. 0.5
3. 1
4. 1.5
5. 2
The hybridization of the oxygen
atom in a water molecule is:
a.
b.
c.
d.

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

sp
sp2
sp3
sp3d
The bromine trifluoride (BrF3)
molecule has what geometry?
a.
b.
c.
d.

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

see-saw shaped
trigonal planar
pyramidal
T-shaped
The xenon tetrafluoride (XeF4)
molecule has what geometry?
a.
b.
c.
d.

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

square planar
tetrahedral
see-saw shaped
trigonal bipyramidal
The most stable geometry for six
electron domains is:
a.
b.
c.
d.

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

square planar.
octahedral.
square pyramidal.
tetrahedral.
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
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
In which molecule below is the
central atom sp3d-hybridized?
a. CH4
b. SO3
c. SeBr4
d. XeOF4
In which molecule below is the
central atom sp3d-hybridized?
a. CH4
b. SO3
c. SeBr4
d. XeOF4
How many pi bonds are there in
the molecule below?
CH3–CH=CH–CH=O
a.
b.
c.
d.

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

1
2
3
4
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
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
What is the molecular
geometry of NO2?
1.Linear
2.Bent
3.Trigonal planar
4.Tetrahedral
5.Pyramidal
What is the molecular
geometry of NO2?
1.Linear
2.Bent
3.Trigonal planar
4.Tetrahedral
5.Pyramidal
What is the molecular
geometry of XeF4?
1.Linear
2.Trigonal planar
3.Square planar
4.Tetrahedral
5.Pyramidal
What is the molecular
geometry of XeF4?
1.Linear
2.Trigonal planar
3.Square planar
4.Tetrahedral
5.Pyramidal
What is the
hybridization of sulfur in
SO42–?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2
What is the
hybridization of sulfur in
SO42–?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2
What is the hybridization of
nitrogen in HNO3?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2
What is the hybridization of
nitrogen in HNO3?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2
What is the hybridization of
sulfur in methyl mercaptan,
CH3SH?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2
What is the hybridization of
sulfur in methyl mercaptan,
CH3SH?
1.sp
2.sp2
3.sp3
4.sp3d
5.sp3d2
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
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
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
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

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Ch 9 review powerpoint

  • 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