General Chemistry
Principles & Modern Applications
9th Edition
Petrucci/Harwood/Herring/Madura
Chapter 10
Chemical Bonding I: Basic Concepts
Dr. Travis D. Fridgen
Memorial University of Newfoundland
© 2007 Pearson Education
Which of the following is an incorrect Lewis structure?
1.
2.
Br
3.
F
4.
O
5.
S
Al
Which of the following is an incorrect Lewis structure?
1.
2.
Br
3.
F
4.
O
5.
S
Al
Which of the following contains a coordinate covalent bond?
1.
+
H
H
N
3.
2.
H
F
H
F
H
H
4.
O
H
H
5.
H
Cl
Which of the following contains a coordinate covalent bond?
1.
+
H
H
N
3.
2.
H
F
H
F
H
H
4.
O
H
H
5.
H
Cl
Which bond is most polar?
1. C-O
2. C-Cl
3. C-F
4. C-H
5. C-N
Which bond is most polar?
1. C-O
2. C-Cl
3. C-F
4. C-H
5. C-N
How many valence electrons are there for acetone?
1. 18
2. 20
C
3. 24
4. 28
5. 30
C
C
How many valence electrons are there for acetone?
1. 18
2. 20
3. 24
4. 28
5. 30
How many valence electrons are there for the phosphate polyatomic
ion, PO43-? Phosphorous, P is the element under nitrogen.
31. 32
2. 29
3. 26
4. 25
5. 22
How many valence electrons are there for the phosphate polyatomic
ion, PO43-? Phosphorous, P is the element under nitrogen.
31. 32
2. 29
3. 26
4. 25
5. 22
Which of the following is an incorrect Lewis Structure?
F
1.
O
C
O
B
O
F
2.
3.
C
F
+
H
4.
H
N
H
H
H
5. N
O
H
Which of the following is an incorrect Lewis Structure?
F
1.
O
C
O
B
O
F
2.
3.
C
F
+
H
4.
H
N
H
H
H
5. N
O
H
F
1.
F
Which of the following is
the correct Lewis
structure for XeF4?
2.
F
Xe
F
F
3.
F
Xe
F
F
F
F
Xe
F
F
4.
F
Xe
F
F
F
F
1.
F
Which of the following is
the correct Lewis
structure for XeF4?
2.
F
Xe
F
F
3.
F
Xe
F
F
F
F
Xe
F
F
4.
F
Xe
F
F
F
To the right are the Lewis structures of
both water and ozone.
H
O
H
Which of the following statements is best?
O
O
O
1. The bond angle in water is 109.5o.
2. The bond angle in ozone is 109.5o.
3. The bond angles in water and ozone are both >109.5o.
4. The bond angles in water and ozone are both <120o.
5. The bond angle in ozone is less than the bond angle in water.
To the right are the Lewis structures of
both water and ozone.
H
O
H
Which of the following statements is best?
O
O
O
1. The bond angle in water is 109.5o.
2. The bond angle in ozone is 109.5o.
3. The bond angles in water and ozone are both >109.5o.
4. The bond angles in water and ozone are both <120o.
5. The bond angle in ozone is less than the bond angle in water.
The Lewis structure for SF4 is,
F
F
2.
1.
Linear
S
F
F
The electron group
geometry for SF4 is?
3.
Tetrahedral
4.
Trigonal
Planar
5.
Trigonal
Bipyramidal
Octahedral
The Lewis structure for SF4 is,
F
F
2.
1.
Linear
S
F
F
The electron group
geometry for SF4 is?
3.
Tetrahedral
4.
Trigonal
Planar
5.
Trigonal
Bipyramidal
Octahedral
The Lewis structure for SF4 is
given below
F
F
The geometry of SF4 is?
1. trigonal bipyramidal
2. planar
3. tetrahedral
S
4. seesaw
F
F
5. square pyramidal
The Lewis structure for SF4 is
given below
F
F
The geometry of SF4 is?
1. trigonal bipyramidal
2. planar
3. tetrahedral
S
4. seesaw
F
F
5. square pyramidal
Which of the statements about the following
molecules is false?
1. All the molecules are octahedral.
I)
II)
2. All bonds in the molecules are polar.
3. I) and III) are non-polar
molecules.
4. IV) is a more polar molecule than II).
III)
IV)
5. All bond angles in I) and III) are
90o or 180o.
Which of the statements about the following
molecules is false?
1. All the molecules are octahedral.
I)
II)
2. All bonds in the molecules are polar.
3. I) and III) are non-polar molecules.
4. IV) is a more polar molecule than II).
III)
IV)
5. All bond angles in I) and III) are
90o or 180o.
There are three isomers of C2H2Cl2. Which isomer has a dipole
moment of 0 D?
1.
2.
3.
There are three isomers of C2H2Cl2. Which isomer has a dipole
moment of 0 D?
1.
2.
3.
The electronegativities of H, O, F, and S are 2.1, 3.5, 4.0 and 2.5,
respectively. Which of the following molecules has the highest dipole
moment?
1.
2.
3.
The electronegativities of H, O, F, and S are 2.1, 3.5, 4.0 and 2.5,
respectively. Which of the following molecules has the highest dipole
moment?
1.
2.
3.
Which bonds are in the correct order of decreasing bond length?
1. S-H, O-H, N-H, C-H, C-S
2. C-H, N-H, O-H, S-H, C-S
3. C-S, C-H, N-H, O-H, S-H
4. C-S, S-H, C-H, N-H, O-H
5. C-S, C-H, O-H, N-H, S-H
cysteine
Which bonds are in the correct order of decreasing bond length?
1. S-H, O-H, N-H, C-H, C-S
2. C-H, N-H, O-H, S-H, C-S
3. C-S, C-H, N-H, O-H, S-H
4. C-S, S-H, C-H, N-H, O-H
5. C-S, C-H, O-H, N-H, S-H
cysteine
Which bonds are in the correct order of increasing bond length?
1. C-S, C=O, C-O, C-N, C-C
2. C=O, C-O, C-N, C-C, C-S
3. H-O, C-O, H-N, C-N, H-C
4. C-H, N-H, O-H, C-C, C-O
5. O-H, N-H, C-H, C-S, C-C
methionine
Which bonds are in the correct order of increasing bond length?
1. C-S, C=O, C-O, C-N, C-C
2. C=O, C-O, C-N, C-C, C-S
3. H-O, C-O, H-N, C-N, H-C
4. C-H, N-H, O-H, C-C, C-O
5. O-H, N-H, C-H, C-S, C-C
methionine
Which of the following bonds would require the least amount of energy to break?
1.
3.
5.
2.
4.
Which of the following bonds would require the least amount of energy to break?
1.
3.
5.
2.
4.
Given that the Cl-Cl, Br-Br and H-Br bond
Strengths are 243, 193 and 366 kJ mol-1
and that the C-Cl, C-Br, and C-H
bond strengths are 330, 288
and 413 kJ mol-1 which
of the following three
Addition reactions
are the most
exothermic?
1
2
3
Given that the Cl-Cl, Br-Br and H-Br bond
Strengths are 243, 193 and 366 kJ mol-1
and that the C-Cl, C-Br, and C-H
bond strengths are 330, 288
and 413 kJ mol-1 which
of the following three
Addition reactions
are the most
exothermic?
1
2
3