Polymerization MCQs

By: Prof. Fazal Rehman Shamil
Last modified on April 27th, 2021

Polymerization MCQs

There are___types in which the mechanism of polymerization is divided.

(A).  Five

(B).  Three

(C).  Four

(D).  Two

(E). None of these

Multiple Choice Question Answer:   Two

____bond is a functionality of the monomer.

(A).  Single

(B).  Triple

(C).  Double

(D).  No

(E). None of these

Multiple Choice Question Answer:   Double

By______ of the monomer molecules, the polymerization takes place.

(A).  Addition

(B).  Condensation

(C).  Dissociation

(D).  Self addition

(E). None of these

Multiple Choice Question Answer:   Self addition

In a chain reaction, the bi-products like methyl alcohol and water can produce.

(A).  False

(B).  True

(C). Partially True

Multiple Choice Question Answer:   False

The chain polymerization is carried out in _____steps.

(A).  Two

(B).  Five

(C).  Four

(D).  Three

(E). None of these

Multiple Choice Question Answer:   Three

____type of polymerization mechanism is chain polymerization mechanism.

(A).  Slow

(B).  Very slow

(C).  Moderate

(D).  Rapid

(E). None of these

Multiple Choice Question Answer:    Rapid

The ______K.cal/mole of energy is released by the conversation of pi-bond to sigma bond during the chain propagation.

(A).  10

(B).  20

(C).  40

(D).  30

(E). None of these

Multiple Choice Question Answer:   20

Select which is not included in the chain polymerization mechanism.

(A).  Dienes

(B).  Vinyl

(C).  Allyl

(D).  Polyester

(E). None of these

Multiple Choice Question Answer:   Polyester

In ____ mechanisms, the additional polymerization can be carried out.

(A).  Two

(B).  Five

(C).  Four

(D).  Three

(E). None of these

Multiple Choice Question Answer:   Three

___ are the initiator compounds.

(A).  Stable

(B).  Highly stable

(C).  Partially stable

(D).  Unstable

(E). None of these

Multiple Choice Question Answer:   Unstable

_______ are the good initiators for free radical chain polymerization.

(A).  Benzoyl peroxide and hydrogen peroxide

(B).  Hydrogen peroxide

(C).  Benzoyl peroxide

(D).  Neither benzoyl peroxide nor hydrogen peroxide

(E). None of these

Multiple Choice Question Answer:   Benzoyl peroxide and hydrogen peroxide

In ____ further types, the ionic mechanism is divided.

(A).  Four

(B).  Three

(C).  Two

(D).  Five

(E). None of these

Multiple Choice Question Answer:   Two

Cationic chain polymerization is the result of _____ of the inhibitor.

(A).  Homolytic fusion

(B).  Heterolytic fusion

(C).  Partially homolytic fusion

(D).  Partially heterolytic fusion

(E). None of these

Multiple Choice Question Answer:    Heterolytic fusion

_________ produce the anion, initiates the anionic chain polymerization.

(A).  Homolytic fusion of initiator

(B).  Heterolytic fusion of initiator

(C).  Inorganic compounds

(D).  Organo-alkali compounds

(E). None of these

Multiple Choice Question Answer:  Organo-alkali compounds

____ is the catalyst that is used in coordination polymerization.

(A).  Nitric oxide

(B).  Vanadium pent-oxide

(C).  Ziegler-natta catalyst

(D).  Zeonar

(E). None of these

Multiple Choice Question Answer:   Ziegler-natta catalyst

By the ____ step, polymerization take place.

(A).  Addition reaction

(B).  Anionic polymerization

(C).  Co-ordination polymerization

(D).  Condensation reaction

(E). None of these

Multiple Choice Question Answer:  Condensation reaction

Select the one which is not the three-step polymerization.

(A).  Step polymerization

(B).  Anionic chain polymerization

(C).  Cationic chain polymerization

(D).  Co-ordination polymerization

(E). None of these

Multiple Choice Question Answer:   Step polymerization

Condensation polymerization is the type of polymerization which is_____

(A).  Not exothermic

(B).  Exothermic

(C).  Endothermic

(D).  Neither endothermic nor exothermic

(E). None of these

Multiple Choice Question Answer:   Not exothermic

The process of condensation polymerization is______

(A). Very fast

(B).  Very slow

(C).  Fast

(D).  Slow

(E). None of these

Multiple Choice Question Answer:  Slow

_____like bi-products will be released by condensation polymers.

(A).  Ammonia

(B).  Ozone

(C).  Carbondioxide

(D).  Hcl

(E). None of these

Multiple Choice Question Answer:   Hcl

_________are the polymers which possess each monomer segment in regular configuration giving a definite structure.

(A).  Stereo regular polymers

(B).  Condensation polymers

(C).  Addition polymers

(D).  Regular polymers

(E). None of these

Multiple Choice Question Answer:   Stereo regular polymers

Due to _____ regularity of the polymers may be structural.

(A).  Both optical and geometrical isomerism

(B).  Optical isomerism

(C).  Geometrical isomerism

(D).  Isomerism

(E). None of these

Multiple Choice Question Answer:  Both optical and geometrical isomerism

_____ is produced by the polymerization of a diacid with a diol.

(A).  Polyethylene

(B).  Polyester

(C).  Poly-methane

(D).  Poly-ethane

(E). None of these

Multiple Choice Question Answer:   Polyester

_____ must be the functionality of a monomer.

(A).  Two

(B).  Two or more than two

(C).  Four

(D).  Three

(E). None of these

Multiple Choice Question Answer:    Two or more than two

_____is not the molecular weight of the step polymers.

(A).  Sum of the molecular weights of monomer

(B).  Sum of the molecular weight of some monomers

(C).  Sum of the molecular weights of monomer

(D).  Sum of the water molecular weight

(E). None of these

Multiple Choice Question Answer:  Sum of the molecular weights of monomer

 

There are____types of methods of polymerization.

(A).  Five

(B).  Three

(C).  Four

(D).  Two

(E). None of these

Multiple Choice Question Answer:   Two

______ are the emulsion droplets in which emulsion polymerization occurs, which is a type of polymerization.

(A).  Emulsified droplets

(B).  Emulsifier droplets

(C).  Emulsifying droplets

(D).  Micelle

(E). None of these

Multiple Choice Question Answer:  Micelle

In the solution of____ and ____, a monomer is dispersed, forming the relatively large droplets of monomer.

(A).  Surfactant, water

(B).  Surfactant, alcohol

(C).  Surfactant, vinegar

(D).  Micelle, water

(E). None of these

Multiple Choice Question Answer:   Surfactant, water

_____is created by excess surfactant in the water.

(A).  Emulsifier

(B).  Monomer

(C).  Emulsifying agent

(D).  Micelle

(E). None of these

Multiple Choice Question Answer:   Micelle

In the water phase, a water____ initiator is introduced.

(A).  Partially soluble

(B).  Insoluble

(C).  Soluble

(D).  Neither soluble nor insoluble

(E). None of these

Multiple Choice Question Answer:   Soluble

 

The monomers which undergo______are the monomers for which emulsion polymerization can be mainly for.

(A).  Ziegler-natta polymerisation

(B).  Condensation polymerization

(C).  Co-ordination polymerization

(D).  Chain radical polymerization

(E). None of these

Multiple Choice Question Answer:   Chain radical polymerization

Select one of the following which does not synthesize by the emulsion polymerization

(A).  Polyvinyl chloride

(B).  BUNA -S

(C).  Polystyrene

(D).  Teflon

(E). None of these

Multiple Choice Question Answer:   Polyvinyl chloride

______initiators are used in the emulsion polymerization.

(A).  Dibenzyl peroxide

(B).  n-hexane

(C).  Per-sulphates

(D).  Silica nano particles

(E). None of these

Multiple Choice Question Answer:   Per-sulphates

 

Select which one of the following can be produced using suspension polymerization

(A).  Teflon

(B).  BUNA -S

(C).  Poly methyl methacrylate

(D).  Polyethylene

(E). None of these

Multiple Choice Question Answer:    Poly methyl methacrylate

The suspension polymerization is carried out in ___ types, depending upon the morphology of particles.

(A).  Two

(B).  Four

(C).  Three

(D).  Five

(E). None of these

Multiple Choice Question Answer:  Two

Select which one of the following is not used as stabilizers in the suspension polymerization

(A).  Silica nano particles

(B).  Heptane

(C).  n-Hexane

(D).  n-isopropylacrylamidein

(E). None of these

Multiple Choice Question Answer:   Heptane

_____ heat is obtained during the process of suspension polymerization.

(A).  Uncontrolled

(B).  Moderate

(C).  Controlled

(D).  Partially controlled

(E). None of these

Multiple Choice Question Answer:   Controlled

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Prof. Fazal Rehman Shamil