Rubber

Q.

Which is the monomer of neoprene among the following?

1. 

2. 

3. 

4. 

Q.

Define and give an example of a homopolymer?

Q.

Buna-s is a polymer of

1. Butadiene only

2. Butadiene and styrene

3. Styrene only

4. Butadiene and nitryl

Q.

Which of the following structures represents neoprene polymer ?

1. 

2. 

3. 

4. 

Q. Natural rubber is:

1. an addition polymer of Neoprene
2. a condensation polymer of Neoprene
3. an addition polymer of Isoprene
4. an addition polymer of Chloroprene

Q.

What are polymers prepared in laboratories known as?

Q.

Natural rubber has

1. alternate cis- and trans-configuration

2. random cis- and trans-configuration

3. all cis- configuration

4. all trans- configuration

Q.

Assertion: Teflon has high thermal stability and chemical inertness.
Reason: Teflon is a thermoplastic.

1. If both assertion and reason are true but reason is not the correct explanation of the assertion.
2. If the assertion and reason both are false.
3. If both assertion and reason are true and the reason is the correct explanation of the assertion.
4. If assertion is false but reason is true.

Q. Which of the following is not produced by condensation polymerisation?

1. Dacron
2. Buna-S
3. Novolac
4. Nylon 6

Q. The starting compound used in the manufacturing of PVC is ___.

Q.

The alkyne used in the manufacturing of PVC is ___.

Q. Which of the following is a common monomeric unit for Buna-S and Buna-N?

1. Styrene
2. 1, 3-Butadiene
3. All of the above
4. Acrylonitrile

Q. Which of the following is used in the manufacture of Synthetic Rubber?

1. Neoprene
2. Cis-polyisoprene
3. Nylon
4. Dacron

Q. Which one of the following structures represents the neoprene polymer?
(IIT-JEE, 2015)

1. 
2. 
3. 
4. 

Q. Buna-S rubber is which of the following of 1-3-butadiene and styrene

1. Polymers
2. Copolymer
3. Step growth polymer
4. Condensation polymer