Question 1

Provide the structure of poly(acrylonitrile).

Accepted Answer

The answer of Provide the structure of poly(acrylonitrile)....

Question 2

Propose a synthesis of poly(vinyl alcohol)from H2C   CHO2CCH3.

Accepted Answer

Question 3

Show the three methods by which the following radical can be terminated.

Accepted Answer

The answer of Show the three methods by which the...

Question 4

Provide a mechanism to show how H2C   CHCO2CH3 is polymerized using butyllithium as the initiator.

Accepted Answer

Question 5

Natural rubber is a

Accepted Answer

A) polyamide. 
B) polyester. 
C) polycarbonate. 
D) polyurethane. 
E) none of the above. 
A) polyamide. 
B) polyester. 
C) polycarbonate. 
D) polyurethane. 
E) none of the above.

Question 6

Draw the structure of Nylon 66.

Accepted Answer

The answer of Draw the structure of Nylon 66....

Question 7

The pattern below is found in what type of polymer? AAAABBBBAAAABBBB

Accepted Answer

A) an alternating copolymer 
B) a block copolymer 
C) a random copolymer 
D) a graft copolymer 
E) a homopolymer 
A) an alternating copolymer 
B) a block copolymer 
C) a random copolymer 
D) a graft copolymer 
E) a homopolymer

Question 8

Which of the following species can best serve as an initiator for cationic polymerization?

Accepted Answer

A) ROOR 
B) ROH 
C) ROR 
D) AlCl3 
E) RCOOR 
A) ROOR 
B) ROH 
C) ROR 
D) AlCl3 
E) RCOOR

Question 9

Draw a short segment of plexiglass,using five monomers.

Accepted Answer

The answer of Draw a short segment of plexiglass,using five...

Question 10

Which dimer (step-growth dimerization)will form from the following monomer?

Accepted Answer

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

Question 11

Which of the following monomers has the greatest ability to undergo anionic polymerization?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 12

Draw the structure of the polymer produced in the following reaction.

Accepted Answer

The answer of Draw the structure of the polymer produced...

Question 13

Which of the following is characteristic of oriented polymers?

Accepted Answer

A) weaker than steel 
B) chains are arranged in parallel fashion 
C) chains are arranged in perpendicular fashion 
D) polymer chains are made from sulfur atoms 
E) all of the above 
A) weaker than steel 
B) chains are arranged in parallel fashion 
C) chains are arranged in perpendicular fashion 
D) polymer chains are made from sulfur atoms 
E) all of the above

Question 14

As the % crystallinity of polyethylene increases,its density ________ and its melting point ________.

Accepted Answer

increases;

Question 15

Identify the type of polymer for nylon 66.

Accepted Answer

A) homopolymer 
B) graft copolymer 
C) random copolymer 
D) block copolymer 
E) alternating copolymer 
A) homopolymer 
B) graft copolymer 
C) random copolymer 
D) block copolymer 
E) alternating copolymer

Question 16

What is the structure of the monomer from which the following polymer is made?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Exam 27: Synthetic Polymers

Provide the structure of poly(acrylonitrile).

Propose a synthesis of poly(vinyl alcohol)from H2C CHO2CCH3.

Show the three methods by which the following radical can be terminated.

Provide a mechanism to show how H2C CHCO2CH3 is polymerized using butyllithium as the initiator.

Natural rubber is a

Draw the structure of Nylon 66.

The pattern below is found in what type of polymer? AAAABBBBAAAABBBB

Which of the following species can best serve as an initiator for cationic polymerization?

Draw a short segment of plexiglass,using five monomers.

Which dimer (step-growth dimerization)will form from the following monomer?

Which of the following monomers has the greatest ability to undergo anionic polymerization?

Draw the structure of the polymer produced in the following reaction.

Which of the following is characteristic of oriented polymers?

As the % crystallinity of polyethylene increases,its density ________ and its melting point ________.

Identify the type of polymer for nylon 66.

What is the structure of the monomer from which the following polymer is made?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Pericyclic Reactions

Filters

Propose a synthesis of poly(vinyl alcohol)from H₂C CHO₂CCH₃.

Provide a mechanism to show how H₂C CHCO₂CH₃ is polymerized using butyllithium as the initiator.

As the % crystallinity of polyethylene increases,its density and its melting point .