Question 1

Provide the mechanism for backbiting of a radical chain end of polyethylene, which results in a butyl side chain on the polymer backbone.

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Question 2

Provide the structure of poly(ethylene succinate).

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Question 3

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Absent in amorphous domains

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Question 4

Provide the structure of the poly(lactic acid) that is formed by base catalyzed ring opening polymerization of the dilactone shown below.

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Question 5

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ a Ziegler-Natta catalyst

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Question 6

Provide the structure of polystyrene.

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Question 7

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Bakelite is this type of polymer.

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Question 8

Provide the structure of polyacetylene that is formed by ring-opening metathesis polymerization of 1,3,5,7-cyclooctatetraene.

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Question 9

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-___ Isotactic propylene

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Question 10

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provide
-_________________

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Question 11

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Amorphous polymers that have the ability to stretch out and spring back to their original shape.

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Question 12

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ A polyurethane

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Question 13

Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N₂.

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Question 14

Provide the structure of poly(methyl methacrylate).

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Question 15

Provide the mechanism whereby two radical chain ends undergo dispropotionation to give two dead chain ends.

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Question 16

Provide the structure of poly(butylene adipamide).

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Question 17

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Produced by reactions in which each bond in the polymer is formed independently of the others.

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Question 18

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Characteristic of crystallites

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Question 19

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Polymers obtained when two or more different monomers are allowed to polymerize together.

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Question 20

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provide
-_________________

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Quiz 29: Organic Polymer Chemistry

Provide the mechanism for backbiting of a radical chain end of polyethylene, which results in a butyl side chain on the polymer backbone.

Provide the structure of poly(ethylene succinate).

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains

Provide the structure of the poly(lactic acid) that is formed by base catalyzed ring opening polymerization of the dilactone shown below.

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ a Ziegler-Natta catalyst

Provide the structure of polystyrene.

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Bakelite is this type of polymer.

Provide the structure of polyacetylene that is formed by ring-opening metathesis polymerization of 1,3,5,7-cyclooctatetraene.

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -___ Isotactic propylene

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provide -_________________

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ A polyurethane

Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N2.

Provide the structure of poly(methyl methacrylate).

Provide the mechanism whereby two radical chain ends undergo dispropotionation to give two dead chain ends.

Provide the structure of poly(butylene adipamide).

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Characteristic of crystallites

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provide -_________________

Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N₂.