Deck 14: Organic Chemicals and Polymers

Question 1

Which polymer is made from the monomer, poly-cis-isoprene?

A) vulcanized rubber
B) polybutadiene rubber
C) natural rubber
D) neoprene rubber

Answer 1

natural rubber

Question 2

Rubbing alcohol is

A) methanol, CH₃OH.
B) 2-propanol, CH₃CHOHCH₃.
C) ethanol, CH₃CH₂OH.
D) l-propanol, CH₃CH₂CH₂OH.

Answer 2

2-propanol, CH₃CHOHCH₃.

Question 3

Which characteristic functional group is present in almost all of the monomers that participate in addition polymerization?

A) OH
B) CHO
C) C=C
D) C - Cl

Answer 3

C=C

Question 4

Ethylene glycol, a dialcohol, is the main ingredient in

A) tobacco humectants.
B) antifreeze.
C) denaturated alcohol.
D) gasohol.

Question 5

Which is not an addition polymer?

A) Dacron
B) PVC
C) polyethylene
D) styrofoam

Question 6

The odor in many fruits is due to the presence of

A) amines.
B) esters.
C) carboxylic acids.
D) alcohols.

Question 7

What is the percent of ethanol in rum that is 140 proof?

A) 35%
B) 70%
C) 280%
D) 75%

Question 8

Which is not a use of polyester polymer?

A) textile fibers
B) substitute tubing for human blood vessels
C) Mylar film
D) bulletproof windows in space helmets

Question 9

An organic compound with an -OH functional group is a (n)

A) aldehyde.
B) ketone.
C) ether.
D) alcohol.

Question 10

The product of the reaction between a carboxylic acid and an alcohol is

A) ester.
B) ketone.
C) aldehyde.
D) none of these

Question 11

The oxidation of primary alcohols can produce

A) carboxylic acids.
B) amines.
C) ketones.
D) esters.

Question 12

Due to bacterial inhibition by alcohol content, the maximum alcohol concentration in the preparation of ethanol by fermentation of grapes or other fruits is

A) 50-60%.
B) 14%.
C) l00%.
D) 95%.

Question 13

Which type of polyethylene has the greatest amount of branched chains?

A) LDPE
B) HDPE
C) CLPE
D) none have any branches

Question 14

The small molecules used to synthesize polymers are called

A) macromolecules.
B) monomers.
C) elastomers.
D) peptides.

Question 15

Which functional group contains a nitrogen atom?

A) ketone
B) ester
C) amine
D) carboxylic acid

Question 16

An addition polymer that finds use in fibers for rugs and fabrics is

A) polypropylene.
B) PVC.
C) nylon.
D) polyacrylonitrile.

Question 17

Which carboxylic acid is the substance responsible for the sting of an ant bite?

A) butyric
B) propionic
C) acetic
D) formic

Question 18

Vulcanized rubber which was first produced by Goodyear in 1839

A) is poly-trans-isoprene.
B) contains short chains of sulfur atoms as cross-links between polymers.
C) has chlorine atoms substituted for hydrogen atoms.
D) is a copolymer.

Question 19

Which does not contain a nitrogen atom in its structure?

A) amine
B) nylon
C) polyester
D) amide

Question 20

Which of the following does not contain oxygen?

A) alkanes
B) alcohols
C) ketones
D) esters

Question 21

Which of the following is not a factor in the degree of chain branching in polyethylene?

A) reaction temperature
B) reaction pressure
C) catalysis
D) source of ethylene

Question 22

Substances that do not undergo a permanent change when stretched are called

A) monomers.
B) elastomers.
C) polymers.
D) plastics.

Question 23

What two monomers have been copolymerized to make an excellent synthetic rubber?

A) styrene and ethylene
B) styrene and butadiene
C) ethylene and butadiene
D) ethylene and vinyl chloride

Question 24

Most reinforced plastics are polymers containing

A) steel wire
B) aluminum wires
C) Mylar film
D) glass fibers

Question 25

Which of the following contains a carbonyl group?

A) alkanes
B) alcohols
C) ketones
D) ethers

Question 26

Orlon has the polymeric chain structure shown below. Which is the monomer of this polymer?

A)
B)
C)
D)

Question 27

What is the role of an organic peroxide in the polymerization of ethylene?

A) The peroxide is a copolymer.
B) The peroxide forms free radicals that initiate attack of double bonds.
C) The peroxide destroys free radicals which would stop the reaction.
D) The peroxide moderates the speed of the reaction, allowing for a more orderly process.

Question 28

In a condensation polymerization process, what happens to form the polymer chain?

A) Small molecules such as water are split out and monomers are linked.
B) Small molecules such as water are required for the bonding link.
C) Small molecules may be split out or are required depending on whether an ester or an ether linkage is formed.
D) Small molecules such as water are moved from one position to another.

Question 29

Which is not true of poly-cis-isoprene?

A) It stretches easily.
B) The methyl groups are on the same side of the molecular chain.
C) It occurs naturally.
D) It is also known as gutta-percha.

Question 30

In the nylon structure, the polymeric chains are held together in a side-by-side fashion by

A) sulfide bonds.
B) oxygen bridges.
C) hydrogen bonding.
D) carbon-carbon single bonds.

Question 31

Which of the following commercial materials is not a condensation polymer?

A) Teflon
B) Dacron
C) Mylar
D) nylon

Question 32

Which of the following monomers contain a benzene ring (phenyl group) in the molecular structure?

A) ethylene
B) styrene
C) vinyl chloride
D) acrylonitrile

Question 33

Which of the following is an incorrect pairing between the given formula and the type of functional group?

A) CH₂=CHCH₂CH₂CH₂CH₂CH₂CH₃, alkene
B) CH₃OCH₃, amine
C) CH₃CH₂OH, alcohol
D) (CH₃)₂CO, ketone

Question 34

Alcohol consumption produces blood levels that are linked to definite physiological effects. Which of the following is the correct pair for number of drinks and alcohol blood level? Some states define "intoxicated" as 0.10%.

A) 5 to 10 drinks; 0.05-0.15% alcohol by volume
B) 5 to 10 drinks; 0.15-0.20% alcohol by volume
C) 5 to 10 drinks; 0.30-0.40% alcohol by volume
D) over 5 drinks; 0.50% alcohol by volume

Question 35

Which of the following is a polyamide?

A) Kevlar
B) Mylar
C) nylon
D) Lucite

Question 36

Which is the most commonly recycled plastic?

A) HDPE
B) PET
C) PS
D) LDPE

Question 37

Which polymer material occurs naturally?

A) nylon
B) Dacron
C) polycarbonates
D) latex rubber

Question 38

Polymerization is a(n)

A) formation of large molecules out of little ones.
B) formation of small molecules out of large ones.
C) analysis of the chemical content of polymers.
D) effective means of producing molecules of intermediate size, but not very large ones.

Question 39

The discovery of nylon is l935 was made by which DuPont employee listed below?

A) W. Carothers.
B) S. Kwolek.
C) L. Baekeland.
D) C. Goodyear.

Question 40

What is the monomer in Teflon?

A) CF=CF, difluoroacetylene
B) CH₂=CH₂, ethylene
C) CF₂=CF₂, tetrafluoroethylene
D) CF₃CF₃, hexafluoroethane

Question 41

In the manufacture of vulcanized rubber, sulfur is used to form cross-links.

Question 42

Consider the following polymer segment. These following recycling symbol could be found on a container make of this polymer.

Question 43

Which carboxylic acid is known as vinegar?

A) butyric
B) propionic
C) acetic
D) formic

Question 44

The following molecule is the isoprene monomer obtained from natural rubber decomposition.

Question 45

Which of the statements apply to the following reaction?

A) formation of an amide
B) formation of an ether
C) formation of an ester
D) formation of an acid

Question 46

Consider the following image. Atoms other than carbon and hydrogen are explicitly labeled.
This substance would have a pH________than 7.

Question 47

Consider the following image of three molecules of methanol.. The dashed lines highlighted in gray represent covalent bonds.

Question 48

Absolute alcohol is 100% ethanol by volume. This alcohol could be labeled as 50 proof.

Question 49

Identify the addition polymer used in sewer pipes.

A) polypropylene
B) PVC
C) nylon
D) polyacrylonitrile

Question 50

The following compound would be classified as a secondary alcohol.

Question 51

Consider the following image. Atoms other than carbon and hydrogen are explicitly labeled.
The type of functional group shown is this structure is called a_______________.

Question 52

An organic compound with an -NH₂ functional group is a (n)

A) primary amine.
B) ketone.
C) ether.
D) primary alcohol.

Question 53

The oxidation of secondary alcohols produces

A) carboxylic acids.
B) amines.
C) ketones.
D) esters.

Question 54

Which of the following is a correct pairing between the given formula and the type of functional group?

A) CH₃CH₂CH₃, alkene
B) CH₃OCH₃, ether
C) CH₃CH₂NH₂, amide
D) CH₃COOH, aldehyde

Question 55

Consider the following image. Atoms other than carbon and hydrogen are explicitly labeled.
This substance can react with ethanol to produce a compound containing a(n) __________functional group.

Question 56

Consider the following image. Atoms other than carbon and hydrogen are explicitly labeled.
This substance could be produced by the ________________ of a primary alcohol.

Question 57

Consider the following two images. These both represent a segment of the same polymer.

Question 58

The odor of decaying flesh is due to the presence of

A) amines.
B) esters.
C) carboxylic acids.
D) alcohols.

Question 59

The following is a depiction of cross-linking in a polymer.

Question 60

Consider the following image of three molecules of methanol. The dashed lines highlighted in gray represented the reason that methanol has a higher boiling point than methane, CH₄.

Question 61

Consider the following image. Atoms other than carbon and hydrogen are explicitly labeled.
This substance could react with an amine to form a(n) ________bond.