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Classify the type of plastic with the corresponding bottle code poly(ethylene te

ID: 975321 • Letter: C

Question

Classify the type of plastic with the corresponding bottle code

poly(ethylene terphthalate)

high density poly(ethylene)

poly(vinyl chloride)

low density poly(ethylene)

poly(propylene)

poly(styrene)

6

5

4

2

3

1

b-

Which of these molecules is most likely to be given off as a side product in a condensation polymerization?

ammonia (NH3)

water (H2O)

sulfur dioxide (SO2)

hydrogen chloride (HCl)

C-

What structural feature must a moleculae have in order to undergo addition polymerization?

single bond

double bond

triple bond

aromatic ring

D-

Which intermolecular force is responsible for the diserable properties of nylons, allowing them to be formed into fibers?

covalent bonding

hydrogen bonding

dipole-dipole

dispersion

E-

What is the role of sulfur in the vulcanization process for rubber?

Tangle the polymer chains

Branch the polymer chains

Crosslink the polymer chains

Keep the polymer chains straight & separated

F-

Classify the compounds

CH3COOH

CH3CH2OH

CH3CHO

CH3OCH3

CH3COCH3

CH3COOCH3

alcohol

aldehyde

ester

carboxylic acid

ketone

ether

      -       A.       B.       C.       D.       E.       F.   

poly(ethylene terphthalate)

      -       A.       B.       C.       D.       E.       F.   

high density poly(ethylene)

      -       A.       B.       C.       D.       E.       F.   

poly(vinyl chloride)

      -       A.       B.       C.       D.       E.       F.   

low density poly(ethylene)

      -       A.       B.       C.       D.       E.       F.   

poly(propylene)

      -       A.       B.       C.       D.       E.       F.   

poly(styrene)

A.

6

B.

5

C.

4

D.

2

E.

3

F.

1

Explanation / Answer

poly(ethylene terphthalate) - 1 F
high density poly(ethylene) - 2 D
poly(vinyl chloride) - 3 E
low density poly(ethylene) - 4 C
poly(propylene) - 5 B
poly(styrene) - 6 A

(b) B. water molecule

(c) B. double bond

(d) B. Hydrogen Bonding