16
MCQ (Multiple Correct Answer)
Which of the following are example of synthetic rubber?
A
Polychloroprene
B
Polyacrylonitrile
C
Buna- N
D
cis-polyisoprene
17
MCQ (Multiple Correct Answer)
Which of the following polymers can have strong intermolecular forces?
A
Nylon
B
Polystyrene
C
Rubber
D
Polysters
18
MCQ (Multiple Correct Answer)
Which of the following polymers have vinylic monomer units?
A
Acrilan
B
Polystyrene
C
Nylon
D
Teflon
19
MCQ (Multiple Correct Answer)
Vulcanization makes rubber ............ .
A
more elastic
B
soluble in inorganic solvent
C
crystalline
D
more stiff
20
Subjective
A natural linear polymer of 2-methyl-1, 3-butadiene becomes hard on treatment with sulphur between 373 to 415 K and -S-S-bonds are formed between chains. Write the structure of the product of this treatment?
Explanation
The product is called vulcanised rubber. Its structure is
