Polymers Test

Result

Polymers Test - 7

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Weekly Quiz Competition

Question 1
4 / -1

Teflon polymer is formed by the polymerisation of

A
CH₂ = CH—CN

B
F₂C = CF₂

C
Cl₂C = CH₂

D
H₂C = CHCl

Solution
Question 2
4 / -1

Which one of the following is the structure of polyacrylonitrile?

A

B

C

D

Solution
Question 3
4 / -1

Identify the copolymer from the following.

A

B

C

D

Solution
Question 4
4 / -1

The most suitable property for molecular weight determination of polymers is

A
osmotic pressure

B
lowering of vapour pressure

C
elevation in boiling point

D
depression in freezing point
Question 5
4 / -1

Buna-N synthetic rubber is a copolymer of

A

B
H₂ = CH—CH=CH₂ and H₅C₆ —CH—CH₂

C
H₂C =CH—CN and H₂C=CH—CH=CH₂

D
Question 6
4 / -1

Given the polymers, A= nylon-6, 6, B= buna-S, C = polythene. Arrange these in increasing order of their intermolecular force (lower to higher).

A
A < B < C

B
A < C < B

C
B < C < A

D
C < A < B
Question 7
4 / -1

If M_w is the weight average molecular weight and M_n is the number average molecular weight of a polymer, the polydispersity index (PDI) of the polymer is given by

A

B

C

D

Solution
Question 8
4 / -1

Mark out the most unlike form of polymerisation of CH₂=CH—CH=CH₂

A

B

C

D
Question 9
4 / -1

Which of the following is a condensation polymer ?

A

B
Rubber

C
Polyvinyl chloride

D
Polyethylene
Question 10
4 / -1

What is incorrect regarding natural rubber?

A
It is cis-polyisoprene

B
It is amorphous in nature

C
It has syndiotactic stereochemistry

D
Molecules of rubber have coiled conformation