Polymerization interview questions part 1
Polymerization interview questions part 1
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Total Questions: 20
1. Mechanism of polymerisation is classified into _______ types.
Correct Answer is : Two
2. The functionality of the monomer is a __________ bond.
Correct Answer is : Double
3. The polymerisation takes place by __________ of the monomer molecules.
Correct Answer is : Self addition
4. The bi products like water, methyl alcohol are produced in chain reaction.
Correct Answer is : FALSE
5. In how many steps the mechanism of the chain polymerisation is carried out?
Correct Answer is : Three
6. The chain polymerisation mechanism is _______
Correct Answer is : Rapid
7. The conversion of pi-bond to sigma bond during the chain propagation releases the energy of _________ K.cal/mole.
Correct Answer is : 20
8. Which of the following do not undergo the chain polymerisation?
Correct Answer is : Polyester
9. Addition polymerisation can be carried out in _________ mechanisms.
Correct Answer is : Three
10. Initiators are __________ compounds.
Correct Answer is : Unstable
11. For free radical chain polymerisation _________ are the good initiators.
Correct Answer is : Benzoyl peroxide and hydrogen peroxide
12. The ionic mechanism again divided into _____________
Correct Answer is : Two
13. The __________ of the inhibitor result in the cationic chain polymerisation.
Correct Answer is : Heterolytic fusion
14. The anion is produced by the __________ initiates the anionic chain polymerisation.
Correct Answer is : Organo-alkali compounds
15. The catalyst used in the co-ordination polymerisation is __________
Correct Answer is : Ziegler-natta catalyst
16. The step polymerisation takes place by __________
Correct Answer is : Condensation reaction
17. Which one of the following is not the three step polymerisation?
Correct Answer is : Step polymerisation
18. The condensation polymerisation is ___________
Correct Answer is : Not exothermic
19. The condensation polymerisation is the __________ process.
Correct Answer is : Slow
20. Condensation polymers will release bi-products like ________
Correct Answer is : Hcl
