The correct match between item – I and Item –II is

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

381.

The major product of the following reaction is:


Advertisement

382.

The correct match between item – I and Item –II is
Item-I Item-II
a) High density polythene (i) Peroxide catalyst
b) Polyacrylonitrile (ii)  Condensation at high temperature & pressure
c) Novolac (iii) Ziegler- Natta Catalyst
d) Nylon 6 (iv) Acid or base catalyst

 

  • a-III,b-I, c-II,d-IV

  • a-II, b-IV, c-II, d-IV

  • a-IV, b-IV, C-I, d-III

  • a-III, b-I, c-IV, d-II


D.

a-III, b-I, c-IV, d-II

High density polythene is obtained by using zegler natta catalyst
Polyacrolo nitrile isobtained by acrylonitrile using peroxide as catalyst.
Navalac is obtained by the H+ (or) OH-.

Catalysed polymerization of  Nylon-6 is condensation polymerization of caprolactum at high tem and pressure.


Advertisement
383.

Natural rubber has

  • All trans-configuration

  • Alternate cis and trans configuration

  • Random cis and trans configuration

  • Random cis and trans configuration

1399 Views

384.

Biodegradable polymer which can be produced from glycine and aminocapric acid is

  • nylon 2-nylon 6

  • PHBV

  • buna -N

  • buna -N

750 Views

Advertisement
385.

Which of the following organic compounds polymerises to form the polyester dacron?

  • Propylene and para HO-(C6H4)-OH

  • Benzoic acid and ethanol

  • Terephthalic acid and ethylene glycol

  • Terephthalic acid and ethylene glycol

837 Views

386.

Which one of the following is an example of a thermosetting polymer?

532 Views

387.

Which of these is not a monomer for high molecular mass silicone polymer?

  • MeSiCl3

  • Me2SiCl2

  • Me3SiCl

  • Me3SiCl

1511 Views

388.

Nylon  is an example of 

  • Polyester

  • Polysaccharide

  • polyamide

  • polyamide

903 Views

Advertisement
389.

Which is the monomer of neoprene in the following

  • CH subscript 2 space equals CH minus straight C identical to CH
  • CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space space CH subscript 3
  • CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space Cl
  • CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space Cl
707 Views

390.

Which of the following is not condensation polymer?

  • Melamine

  • Glyptal

  • Dacron

  • Dacron

785 Views

Advertisement