Chapter 9 Molecular Geometry and Bonding Theories

1
Chapter 9Molecular Geometryand Bonding Theories

• Chemistry, The Central Science, 11th edition
• Theodore L. Brown H. Eugene LeMay, Jr.
• Bruce E. Bursten and Catherine J. Murphy

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
• 0.5
• 1
• 1.5
• 2

19
What is the bond order in O22 ?

• 0
• 0.5
• 1
• 1.5
• 2