10-minute Quiz : Chapter 23 Addition polymers

Which of the following compounds can undergo addition polymerization?

• A. (1) only

• B. (2) only

• C. (1) and (3) only

• D. (2) and (3) only

Consider the following polymer. Which of the following statements concerning this polymer is correct?

• A. It can be used in making car windows.

• B. It is a natural polymer.

• C. It is flexible.

• D. It softens in boiling water.

Polyethene is NOT used in making food containers. Which of the following is a possible reason for it?

• A. Polyethene is chemically inert.
• B. Polyethene is toxic.
• C. Polyethene is a good heat insulator.
• D. Polyethene has a low melting point.

A part of the structure of a polymer is shown below. What is the systematic name of the monomer of this polymer?

• A. Chloroethane

• B. Chloroethene

• C. 1,2-dichloroethane

• D. 1,2-dichloroethene

PVC is usually used in making drainage pipes because

• A. it is cheap.
• B. it is resistant to many chemicals.
• C. it is flexible.
• D. it is lightweight.

Consider the following statements and choose the best answer:

1st statement

Acidified KMnO₄(aq) turns colourless upon addition of polystyrene.

2nd statement

Polystyrene contains carbon-carbon double bonds.

• A. Both statements are true and the 2nd statement is a correct explanation of the 1st statement.

• B. Both statements are true but the 2nd statement is NOT a correct explanation of the 1st statement.

• C. The 1st statement is false but the 2nd statement is true.

• D. Both statements are false.

What properties of PVC make it suitable for making insulating coverings for electric wires?

(1) It is a good insulator of electricity.

(2) It is water-resistant.

(3) It is quite rigid.

• A. (1) and (2) only

• B. (1) and (3) only

• C. (2) and (3) only

• D. (1), (2) and (3)

A part of the structure of a polymer is shown below. What is the molecular formula of the monomer of this polymer?

• A. C₂H₄

• B. C₃H₆

• C. C₄H₈

• D. C₅H₁₀

Polymer X is commonly used in making ropes. Which of the following statements about X is/are correct?

(1) It has a constant relative molecular mass.

(2) The monomer of X can be represented by CH₂=CHCH₃.

(3) It can decolourize bromine (dissolved in an organic solvent) rapidly.

• A. (1) only

• B. (2) only

• C. (1) and (3) only

• D. (2) and (3) only

Which of the following is/are the application(s) of expanded polystyrene?

(1) Making lightweight ceiling tiles

(2) Making packaging film

(3) Making sample bottles

• A. (1) only

• B. (2) only

• C. (1) and (3) only

• D. (2) and (3) only