Question 1

Polystyrene results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)   E

Question 2

The following amino acids all have nonpolar side chains.

Accepted Answer

A) True 
 B)False  False

Question 3

The primary structure of a protein refers to the unique amino acid sequence of the polypeptide chain.

Accepted Answer

A) True 
 B)False  True

Question 4

A peptide bond (also called an amide bond) joins two amino acids together. What atoms are linked by this bond

Accepted Answer

A)  C - O 
B)  C - H 
C)  C - N 
D)  N - S 
E)  S - C 
A)  C - O 
B)  C - H 
C)  C - N 
D)  N - S 
E)  S - C

Question 5

Polypropene results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)

Question 6

Which statement is false concerning a Natta-Ziegler catalyst

Accepted Answer

A)  A Natta-Ziegler catalyst can be used to promote a polymerization that is selective for isotactic or syndiotactic polymer. 
B)  A Natta-Ziegler catalyst containing [Al(C2H5)3] and TiCl3 can be used to promote the formation of specific isomers in a polymerization. 
C)  A Natta-Ziegler catalyst is used to make a polymerization thermodynamically favorable. 
D) A Natta-Ziegler catalyst has been used by chemists to design polymers with different properties. 
A)  A Natta-Ziegler catalyst can be used to promote a polymerization that is selective for isotactic or syndiotactic polymer. 
B)  A Natta-Ziegler catalyst containing [Al(C2H5)3] and TiCl3 can be used to promote the formation of specific isomers in a polymerization. 
C)  A Natta-Ziegler catalyst is used to make a polymerization thermodynamically favorable. 
D) A Natta-Ziegler catalyst has been used by chemists to design polymers with different properties.

Question 7

The segment   represents the polymer named

Accepted Answer

A)  polybutylene.. 
B)  polyvinyl chloride. 
C)  polypropylene. 
D)  polystyrene 
E)  polyethylene 
A)  polybutylene.. 
B)  polyvinyl chloride. 
C)  polypropylene. 
D)  polystyrene 
E)  polyethylene

Question 8

The intermolecular force between bases on the opposite strands of DNA responsible for its double-helical structure is

Accepted Answer

A)  hydrogen bonding.. 
B)  dispersion force.. 
C)  covalent bonding. 
D)  ionic force 
E)  dipole-dipole force 
A)  hydrogen bonding.. 
B)  dispersion force.. 
C)  covalent bonding. 
D)  ionic force 
E)  dipole-dipole force

Question 9

Both DNA and RNA have double-helical structures.

Accepted Answer

A) True 
 B)False

Question 10

A portion of the polymer Teflon is shown here. The monomer that would be used to produce this polymer would consist of one carbon and two fluorine atoms.polymer (Teflon):

Accepted Answer

A) True 
 B)False

Question 11

Phosphorus is an essential mineral element. It is an important atom in which one of the following

Accepted Answer

A)  amino acids 
B)  proteins 
C)  polyethylene 
D)  nylon 
E)  DNA 
A)  amino acids 
B)  proteins 
C)  polyethylene 
D)  nylon 
E)  DNA

Question 12

Which polymerization shown takes place by a radical mechanism 
i.  
ii.

Accepted Answer

A)  i only 
B)  ii only 
C)  i and ii 
D)  None of the above 
A)  i only 
B)  ii only 
C)  i and ii 
D)  None of the above

Question 13

Which choice contains all three molecular units found in nucleotides

Accepted Answer

A)  phosphate, sugar, amino acid 
B)  amino acid, nitrogen-containing base, sugar 
C)  carboxylic acid, sugar, protein 
D)  phosphate, nitrogen-containing base, sugar 
E)  sugar, amino acid, protein 
A)  phosphate, sugar, amino acid 
B)  amino acid, nitrogen-containing base, sugar 
C)  carboxylic acid, sugar, protein 
D)  phosphate, nitrogen-containing base, sugar 
E)  sugar, amino acid, protein

Question 14

An amino acid is a compound that contains at least

Accepted Answer

A)  one amino group and one amide group. 
B)  two amino groups and one carboxylic acid group. 
C)  one hydroxyl group and one methyl group. 
D)  one carboxylic acid group and one amino group. 
E)  one methyl group and one amide group. 
A)  one amino group and one amide group. 
B)  two amino groups and one carboxylic acid group. 
C)  one hydroxyl group and one methyl group. 
D)  one carboxylic acid group and one amino group. 
E)  one methyl group and one amide group.

Question 15

Which polymerization shown takes place by a condensation
I.  
II.

Accepted Answer

A)  I only 
B)  II only 
C)  I and II 
D)  None of the above 
A)  I only 
B)  II only 
C)  I and II 
D)  None of the above

Question 16

Which of the following polymers is formed by a condensation process

Accepted Answer

A)  PVC 
B)  nylon 
C)  Teflon 
D)  Plexiglas 
E)  neoprene 
A)  PVC 
B)  nylon 
C)  Teflon 
D)  Plexiglas 
E)  neoprene

Question 17

Which of the following polymers has an isotactic structure

Accepted Answer

A)   
B)   
C)   
D)   
A)   
B)   
C)   
D)

Question 18

What structural feature is required to have an isotactic or syndiotactic carbon-based polymer

Accepted Answer

A)  A repeating unit that contains an asymmetric carbon 
B)  A repeating unit that contains a double bond 
C)  A repeating unit that contains a triple bond 
D)  A repeating unit that contains an aromatic hydrocarbon 
E)  A repeating unit that contains an atom other than carbon 
A)  A repeating unit that contains an asymmetric carbon 
B)  A repeating unit that contains a double bond 
C)  A repeating unit that contains a triple bond 
D)  A repeating unit that contains an aromatic hydrocarbon 
E)  A repeating unit that contains an atom other than carbon

Question 19

An essential amino acid is one that

Accepted Answer

A)  must be included in the diet. 
B)  contains no sulfur. 
C)  occurs in all types of proteins. 
D)  is necessary for vitamin production. 
E)  the body can synthesize. 
A)  must be included in the diet. 
B)  contains no sulfur. 
C)  occurs in all types of proteins. 
D)  is necessary for vitamin production. 
E)  the body can synthesize.

Question 20

Acrylonitrile results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)

Exam 25: Synthetic and Natural Organic Polymers

Polystyrene results from the polymerization of

The following amino acids all have nonpolar side chains.

The primary structure of a protein refers to the unique amino acid sequence of the polypeptide chain.

A peptide bond (also called an amide bond) joins two amino acids together. What atoms are linked by this bond

Polypropene results from the polymerization of

Which statement is false concerning a Natta-Ziegler catalyst

The segment represents the polymer named

The intermolecular force between bases on the opposite strands of DNA responsible for its double-helical structure is

Both DNA and RNA have double-helical structures.

A portion of the polymer Teflon is shown here. The monomer that would be used to produce this polymer would consist of one carbon and two fluorine atoms.polymer (Teflon):

Phosphorus is an essential mineral element. It is an important atom in which one of the following

Which polymerization shown takes place by a radical mechanism i. ii.

Which choice contains all three molecular units found in nucleotides

An amino acid is a compound that contains at least

Which polymerization shown takes place by a condensation I. II.

Which of the following polymers is formed by a condensation process

Which of the following polymers has an isotactic structure

What structural feature is required to have an isotactic or syndiotactic carbon-based polymer

An essential amino acid is one that

Acrylonitrile results from the polymerization of

Chemistry: The Study of Change

Atoms Molecules and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

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