The major product of the following reaction is:

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

383.

Natural rubber has

• All trans-configuration

• Alternate cis and trans configuration

• Random cis and trans configuration

• Random cis and trans configuration

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

• nylon 2-nylon 6

• PHBV

• buna -N

• buna -N

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

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

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

• MeSiCl₃

• Me₂SiCl₂

• Me₃SiCl

• Me₃SiCl

Nylon  is an example of 

• Polyester

• Polysaccharide

• polyamide

• polyamide

Which is the monomer of neoprene in the following

Which of the following is not condensation polymer?

• Melamine

• Glyptal

• Dacron

• Dacron