Download Chapter 4 Knowledge Check

Chapter 4 Knowledge Check
Multiple Choice
Identify the choice that best completes the statement or answers the question.
53. Organic chemistry is a science based on the study
of
a. functional groups.
b. vital forces interacting with matter.
c. carbon compounds.
d. water and its interaction with other kinds of
molecules.
e. inorganic compounds.
54. Which property of the carbon atom gives it
compatibility with a greater number of different
elements than any other type of atom?
a. Carbon has 6 to 8 neutrons.
b. Carbon has a valence of 4.
c. Carbon forms ionic bonds.
d. A and C only
e. A, B, and C
55. What type(s) of bond(s) does carbon have a
tendency to form?
a. ionic
b. hydrogen
c. covalent
d. A and B only
e. A, B, and C
56. What is the reason why hydrocarbons are not
soluble in water?
a. The majority of their bonds are polar covalent
carbon to hydrogen linkages.
b. The majority of their bonds are nonpolar
covalent carbon-to-hydrogen linkages.
c. They are hydrophilic.
d. They exhibit considerable molecular
complexity and diversity.
e. They are lighter than water.
57. The two molecules shown in the following figure
are best described as
a.
b.
c.
d.
e.
optical isomers.
radioactive isotopes.
structural isomers.
nonradioactive isotopes.
geometric isomers.
58.
The two molecules shown in the following figure are best described as
a.
b.
c.
d.
e.
59.
enantiomers.
radioactive isotopes.
structural isomers.
nonisotopic isomers.
geometric isomers.
Research suggests that side effects from Ritalin, the
drug used to treat attention deficit disorder, may be
caused by contamination of enantiomers, or
molecules that
a. have identical three-dimensional shapes.
b. are mirror images of one another.
c. lack an asymmetric carbon.
d. differ in the location of their double bonds.
e. differ in their electrical charge.
6 60. What is the name of the functional group shown in
the following figure?
a.
b.
c.
d.
e.
carbonyl
ketone
aldehyde
carboxyl
hydroxyl
61. Which two functional groups are always found in
amino acids?
a. ketone and aldehyde
b. carbonyl and carboxyl
c. carboxyl and amino
d. phosphate and sulfhydryl
e. hydroxyl and aldehyde
Use the figure below to answer the question 62.
62.
Which of the structures is an impossible covalently
bonded molecule?
a. A
b. B
c. C
d. D
e. E
64. Which is a functional group that helps stabilize
proteins by forming covalent cross-links within or
between protein molecules?
a. Group A
b. Group B
c. Group C
d. Group D
e. Group E
Use the molecules shown in the figure below to
answer the following question 65.
Use the figure below to answer the following
questions 63-64
63. Which is a hydroxyl functional group?
a. Group A
b. Group B
c. Group C
d. Group D
e. Group E
65. Which molecule functions to transfer energy
between organic molecules?
a. Molecule A
b. Molecule B
c. Molecule C
d. Molecule D
e. Molecule E
Chapter 4 Knowledge Check
Answer Section
MULTIPLE CHOICE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
C
B
C
B
C
E
B
D
C
C
A
E
D
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
1
1
1
1
1
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
TOP:
Concept 4.1
Concept 4.2
Concept 4.2
Concept 4.2
Concept 4.2
Concept 4.2
Concept 4.2
Concept 4.3
Concept 4.3
Concept 4.3
Concept 4.3
Concept 4.3
Concept 4.3