Question 1

Acrylonitrile results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) All of the above

Question 2

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.F) A) and B)
G) B) and C)

Question 3

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 - CF) A) and B)
G) C) and D)

Question 4

Which of the following polymers has an isotactic structure

Accepted Answer

A)   
B)   
C)   
D)   E) A) and D)
F) B) and C)

Question 5

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)   DNAF) C) and E)
G) B) and 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.E) A) and C)
F) C) and D)

Question 7

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 aboveE) B) and D)
F) B) and C)

Question 8

Which of the following polymers is formed by a condensation process

Accepted Answer

A)   PVC
B)   nylon
C)   Teflon
D)   Plexiglas
E)   neopreneF) B) and E)
G) B) and D)

Question 9

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 10

The segment  represents the polymer named

Accepted Answer

A)   polybutylene..
B)   polyvinyl chloride.
C)   polypropylene.
D)   polystyrene
E)   polyethyleneF) D) and E)
G) A) and B)

Question 11

Both DNA and RNA have double-helical structures.

Accepted Answer

A) True 
 B)False

Question 12

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 carbonF) A) and E)
G) A) and B)

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, proteinF) A) and E)
G) B) and C)

Question 14

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 forceF) B) and E)
G) A) and B)

Question 15

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.F) A) and D)
G) C) and E)

Question 16

The following amino acids all have nonpolar side chains.

Accepted Answer

A) True 
 B)False  False

Question 17

Polypropene results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and E)
G) A) and B)

Question 18

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 aboveE) A) and D)
F) None of the above

Question 19

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 20

Polystyrene results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) A) and C) E

Exam 25: Synthetic and Natural Organic Polymers

Acrylonitrile results from the polymerization of

Correct AnswerverifiedShow Answer

An amino acid is a compound that contains at least

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following polymers has an isotactic structure

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which statement is false concerning a Natta-Ziegler catalyst

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following polymers is formed by a condensation process

Correct AnswerverifiedShow Answer

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):

Correct AnswerverifiedShow Answer

The segment represents the polymer named

Correct AnswerverifiedShow Answer

Both DNA and RNA have double-helical structures.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which choice contains all three molecular units found in nucleotides

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An essential amino acid is one that

Correct AnswerverifiedShow Answer

The following amino acids all have nonpolar side chains.

Correct AnswerverifiedFalse

Polypropene results from the polymerization of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

Polystyrene results from the polymerization of

Correct AnswerverifiedE

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False

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E