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Provide the structure of poly(propylene).

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


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

F) B) and E)
G) D) and E)

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


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

F) All of the above
G) A) and D)

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Show the reaction which occurs when benzoyl peroxide is heated.

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Describe what thermoplastic polymers are.

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Polymers that have both ordered crystall...

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

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


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

F) All of the above
G) B) and E)

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


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

F) B) and D)
G) None of the above

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

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Which of the following is a step-growth polymer?


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

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

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


A) ROOR + CH2 Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH2 → ROCH2CH2OR
B) ∙ RO∙ + CH2
Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH2 → ROCH2CH2
C) RO∙ + CH2 Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH2 → ROCH Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH2 + H∙
D) ∙ ∙ ROOR + CH2
Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH2 → 2 ROH + CH Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH
E) ∙ ∙ 2RO∙ + CH2
Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH2 → 2 ROH + CH Which of the following is the first chain propagating step in the radical polymerization of ethylene? A) ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub>OR B) ∙ RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH<sub>2</sub>CH<sub>2</sub> C) RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → ROCH CH<sub>2</sub> + H∙ D) ∙ ∙ ROOR + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH E) ∙ ∙ 2RO∙ + CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> → 2 ROH + CH CH CH

F) A) and B)
G) B) and E)

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Provide the structure of poly(vinyl chloride).

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Give the monomer for the polymer teflon.


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

F) C) and D)
G) C) and E)

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Which of the following addition polymers results from the reaction below? nCF2 Which of the following addition polymers results from the reaction below? nCF<sub>2</sub> <sub> </sub> CF<sub>2 </sub> <sub> </sub> ? A) [ CF-CF ]<sub>n</sub> B) [CF<sub>3</sub>-CF<sub>3</sub>]<sub>n</sub> C) [-CF<sub>2</sub>-CH CHCF<sub>2</sub>-]<sub>n</sub> D) [-CF<sub>2</sub>-CF<sub>2</sub>-]<sub>n</sub> E) [-CF<sub>2</sub> <sub> </sub> CF<sub>2</sub>-]<sub>n</sub> CF2 Which of the following addition polymers results from the reaction below? nCF<sub>2</sub> <sub> </sub> CF<sub>2 </sub> <sub> </sub> ? A) [ CF-CF ]<sub>n</sub> B) [CF<sub>3</sub>-CF<sub>3</sub>]<sub>n</sub> C) [-CF<sub>2</sub>-CH CHCF<sub>2</sub>-]<sub>n</sub> D) [-CF<sub>2</sub>-CF<sub>2</sub>-]<sub>n</sub> E) [-CF<sub>2</sub> <sub> </sub> CF<sub>2</sub>-]<sub>n</sub> ?


A) [ Which of the following addition polymers results from the reaction below? nCF<sub>2</sub> <sub> </sub> CF<sub>2 </sub> <sub> </sub> ? A) [ CF-CF ]<sub>n</sub> B) [CF<sub>3</sub>-CF<sub>3</sub>]<sub>n</sub> C) [-CF<sub>2</sub>-CH CHCF<sub>2</sub>-]<sub>n</sub> D) [-CF<sub>2</sub>-CF<sub>2</sub>-]<sub>n</sub> E) [-CF<sub>2</sub> <sub> </sub> CF<sub>2</sub>-]<sub>n</sub> CF-CF Which of the following addition polymers results from the reaction below? nCF<sub>2</sub> <sub> </sub> CF<sub>2 </sub> <sub> </sub> ? A) [ CF-CF ]<sub>n</sub> B) [CF<sub>3</sub>-CF<sub>3</sub>]<sub>n</sub> C) [-CF<sub>2</sub>-CH CHCF<sub>2</sub>-]<sub>n</sub> D) [-CF<sub>2</sub>-CF<sub>2</sub>-]<sub>n</sub> E) [-CF<sub>2</sub> <sub> </sub> CF<sub>2</sub>-]<sub>n</sub> ]n
B) [CF3-CF3]n
C) [-CF2-CH Which of the following addition polymers results from the reaction below? nCF<sub>2</sub> <sub> </sub> CF<sub>2 </sub> <sub> </sub> ? A) [ CF-CF ]<sub>n</sub> B) [CF<sub>3</sub>-CF<sub>3</sub>]<sub>n</sub> C) [-CF<sub>2</sub>-CH CHCF<sub>2</sub>-]<sub>n</sub> D) [-CF<sub>2</sub>-CF<sub>2</sub>-]<sub>n</sub> E) [-CF<sub>2</sub> <sub> </sub> CF<sub>2</sub>-]<sub>n</sub> CHCF2-]n
D) [-CF2-CF2-]n
E) [-CF2 Which of the following addition polymers results from the reaction below? nCF<sub>2</sub> <sub> </sub> CF<sub>2 </sub> <sub> </sub> ? A) [ CF-CF ]<sub>n</sub> B) [CF<sub>3</sub>-CF<sub>3</sub>]<sub>n</sub> C) [-CF<sub>2</sub>-CH CHCF<sub>2</sub>-]<sub>n</sub> D) [-CF<sub>2</sub>-CF<sub>2</sub>-]<sub>n</sub> E) [-CF<sub>2</sub> <sub> </sub> CF<sub>2</sub>-]<sub>n</sub> CF2-]n

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

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What are biodegradable polymers? Give an example.

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Polymers that can be broken into smaller...

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Give the product for an diisocyanate reacting with a diol.


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

F) A) and E)
G) A) and B)

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Draw a segment of the polymer,using four monomers. Draw a segment of the polymer,using four monomers.

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What is the structure of the monomer from which the following polymer is made? What is the structure of the monomer from which the following polymer is made? A) CH<sub>3</sub>CH<sub>3</sub> B) CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> C) CH<sub>3</sub>CH CH<sub>2</sub> D) CH<sub>2</sub> <sub> </sub> CHCH CH<sub>2</sub> E) CH<sub>3</sub>CH CHCH<sub>3</sub>


A) CH3CH3
B) CH2 What is the structure of the monomer from which the following polymer is made? A) CH<sub>3</sub>CH<sub>3</sub> B) CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> C) CH<sub>3</sub>CH CH<sub>2</sub> D) CH<sub>2</sub> <sub> </sub> CHCH CH<sub>2</sub> E) CH<sub>3</sub>CH CHCH<sub>3</sub> CH2
C) CH3CH What is the structure of the monomer from which the following polymer is made? A) CH<sub>3</sub>CH<sub>3</sub> B) CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> C) CH<sub>3</sub>CH CH<sub>2</sub> D) CH<sub>2</sub> <sub> </sub> CHCH CH<sub>2</sub> E) CH<sub>3</sub>CH CHCH<sub>3</sub> CH2
D) CH2 What is the structure of the monomer from which the following polymer is made? A) CH<sub>3</sub>CH<sub>3</sub> B) CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> C) CH<sub>3</sub>CH CH<sub>2</sub> D) CH<sub>2</sub> <sub> </sub> CHCH CH<sub>2</sub> E) CH<sub>3</sub>CH CHCH<sub>3</sub> CHCH What is the structure of the monomer from which the following polymer is made? A) CH<sub>3</sub>CH<sub>3</sub> B) CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> C) CH<sub>3</sub>CH CH<sub>2</sub> D) CH<sub>2</sub> <sub> </sub> CHCH CH<sub>2</sub> E) CH<sub>3</sub>CH CHCH<sub>3</sub> CH2
E) CH3CH What is the structure of the monomer from which the following polymer is made? A) CH<sub>3</sub>CH<sub>3</sub> B) CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> C) CH<sub>3</sub>CH CH<sub>2</sub> D) CH<sub>2</sub> <sub> </sub> CHCH CH<sub>2</sub> E) CH<sub>3</sub>CH CHCH<sub>3</sub> CHCH3

F) C) and D)
G) A) and D)

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


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

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

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


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

F) A) and B)
G) B) and D)

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