Question 1

Draw a segment of the polymer,using four monomers.

Accepted Answer

The answer of Draw a segment of the polymer,using four...

Question 2

The joining together of many monomers to form a very large molecule is called

Accepted Answer

A) polymerization. 
B) monomerization. 
C) dimerization. 
D) hydroxylation. 
E) homogenization. 
A) polymerization. 
B) monomerization. 
C) dimerization. 
D) hydroxylation. 
E) homogenization.

Question 3

Which of the following is the first chain propagating step in the radical polymerization of ethylene?

Accepted Answer

A) ROOR + CH2     CH2 → ROCH2CH2OR 
B) ∙ RO∙ + CH2
    CH2 → ROCH2CH2 
C) RO∙ + CH2     CH2 → ROCH   CH2 + H∙ 
D) ∙ ∙ ROOR + CH2
    CH2 → 2 ROH + CH   CH 
E) ∙ ∙ 2RO∙ + CH2
    CH2 → 2 ROH + CH   CH 
A) ROOR + CH2     CH2 → ROCH2CH2OR 
B) ∙ RO∙ + CH2
    CH2 → ROCH2CH2 
C) RO∙ + CH2     CH2 → ROCH   CH2 + H∙ 
D) ∙ ∙ ROOR + CH2
    CH2 → 2 ROH + CH   CH 
E) ∙ ∙ 2RO∙ + CH2
    CH2 → 2 ROH + CH   CH

Question 4

Give the product for an diisocyanate reacting with a diol.

Accepted Answer

A) an epoxy resin 
B) a polyester 
C) a polycarbonate 
D) a polyamide 
E) a polyurethane 
A) an epoxy resin 
B) a polyester 
C) a polycarbonate 
D) a polyamide 
E) a polyurethane

Question 5

Provide the structure of poly(vinyl chloride).

Accepted Answer

The answer of Provide the structure of poly(vinyl chloride)....

Question 6

Draw the products which would result if poly(ethylene terephthalate)were hydrolyzed in hot aqueous NaOH.

Accepted Answer

The answer of Draw the products which would result if...

Question 7

Which of the following is a step-growth polymer?

Accepted Answer

A) polyethylene 
B) polyester 
C) polypropylene 
D) polystyrene 
E) Plexiglass 
A) polyethylene 
B) polyester 
C) polypropylene 
D) polystyrene 
E) Plexiglass

Question 8

Give the monomer for the polymer teflon.

Accepted Answer

A) propylene 
B) acrylonitrile 
C) tetrafluoroethylene 
D) poly(vinyl acetate) 
E) styrene 
A) propylene 
B) acrylonitrile 
C) tetrafluoroethylene 
D) poly(vinyl acetate) 
E) styrene

Question 9

Which of the following can result in chain termination in cationic polymerization?

Accepted Answer

A) loss of H+ 
B) addition of a nucleophile that reacts with the propagating site 
C) a chain transfer reaction with the solvent 
D) a 1,2-hydride shift. 
E) A,B,and C 
A) loss of H+ 
B) addition of a nucleophile that reacts with the propagating site 
C) a chain transfer reaction with the solvent 
D) a 1,2-hydride shift. 
E) A,B,and C

Question 10

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

Accepted Answer

A) CH3CH3 
B) CH2     CH2 
C) CH3CH   CH2 
D) CH2     CHCH   CH2 
E) CH3CH   CHCH3 
A) CH3CH3 
B) CH2     CH2 
C) CH3CH   CH2 
D) CH2     CHCH   CH2 
E) CH3CH   CHCH3

Question 11

Which of the following is not a step-growth polymer?

Accepted Answer

A) Nylon 66 
B) Kevlar 
C) Mylar 
D) Lexan 
E) Teflon 
A) Nylon 66 
B) Kevlar 
C) Mylar 
D) Lexan 
E) Teflon

Question 12

Which of the following statements best explains the process known as chain transfer?

Accepted Answer

A) a process that can control the rate of production of the polymer 
B) a process that can control the molecular weight of the polymer 
C) a process that can control the reactivity of the monomer 
D) a process that can slow down the polymerization reaction 
E) a process that can inhibit the polymerization reaction 
A) a process that can control the rate of production of the polymer 
B) a process that can control the molecular weight of the polymer 
C) a process that can control the reactivity of the monomer 
D) a process that can slow down the polymerization reaction 
E) a process that can inhibit the polymerization reaction

Question 13

Which of the following monomers is least likely to undergo cationic polymerization?

Accepted Answer

A) propylene 
B) isobutylene 
C) styrene 
D) methyl acrylate 
E) vinyl acetate 
A) propylene 
B) isobutylene 
C) styrene 
D) methyl acrylate 
E) vinyl acetate

Question 14

Which of the following addition polymers results from the reaction below? nCF2
    CF2 
    ?

Accepted Answer

A) [   CF-CF   ]n 
B) [CF3-CF3]n 
C) [-CF2-CH   CHCF2-]n 
D) [-CF2-CF2-]n 
E) [-CF2     CF2-]n 
A) [   CF-CF   ]n 
B) [CF3-CF3]n 
C) [-CF2-CH   CHCF2-]n 
D) [-CF2-CF2-]n 
E) [-CF2     CF2-]n

Question 15

Show the reaction which occurs when benzoyl peroxide is heated.

Accepted Answer

The answer of Show the reaction which occurs when benzoyl...

Question 16

Draw the structure of the polymer and by-product that result when the two monomers below are heated together.

Accepted Answer

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

Question 17

Kevlar is one of the hardest polymer known.The exceptional strength of Kevlar is attributed to

Accepted Answer

A) amide bonds between the chains that form a sheet-like structure. 
B) ester bonds between the chains that form a sheet-like structure. 
C) disulfide bonds between the chains that form a sheet-like structure. 
D) hydrogen bonds between the chains that form a sheet-like structure. 
E) none of the above 
A) amide bonds between the chains that form a sheet-like structure. 
B) ester bonds between the chains that form a sheet-like structure. 
C) disulfide bonds between the chains that form a sheet-like structure. 
D) hydrogen bonds between the chains that form a sheet-like structure. 
E) none of the above

Question 18

What are biodegradable polymers? Give an example.

Accepted Answer

Polymers that can be broken into smaller

Question 19

Provide the structure of poly(propylene).

Accepted Answer

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

Question 20

Describe what thermoplastic polymers are.

Accepted Answer

Polymers that have both ordered crystall

Exam 27: Synthetic Polymers

Draw a segment of the polymer,using four monomers.

The joining together of many monomers to form a very large molecule is called

Which of the following is the first chain propagating step in the radical polymerization of ethylene?

Give the product for an diisocyanate reacting with a diol.

Provide the structure of poly(vinyl chloride).

Draw the products which would result if poly(ethylene terephthalate)were hydrolyzed in hot aqueous NaOH.

Which of the following is a step-growth polymer?

Give the monomer for the polymer teflon.

Which of the following can result in chain termination in cationic polymerization?

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

Which of the following is not a step-growth polymer?

Which of the following statements best explains the process known as chain transfer?

Which of the following monomers is least likely to undergo cationic polymerization?

Which of the following addition polymers results from the reaction below? nCF2 CF2 ?

Show the reaction which occurs when benzoyl peroxide is heated.

Draw the structure of the polymer and by-product that result when the two monomers below are heated together.

Kevlar is one of the hardest polymer known.The exceptional strength of Kevlar is attributed to

What are biodegradable polymers? Give an example.

Provide the structure of poly(propylene).

Describe what thermoplastic polymers are.

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

Which of the following addition polymers results from the reaction below? nCF₂ CF₂ ?