Advertisements
Advertisements
प्रश्न
Why does cis-polyisoprene possess elastic property?
उत्तर
The cis-polyisoprene molecule consists of various chains held together by weak van der Waals interactions and has a coiled structure. Thus, it can be stretched like a spring and shows elastic properties.
APPEARS IN
संबंधित प्रश्न
Write the names and structures of the monomers of the following polymers: Polyvinyl chloride
Write the name of monomers used for getting the following polymers : Bakelite
Write the names of monomers used for getting the following polymers:
Teflon
Identify the monomer in the following polymeric structures.
Write a chemical reaction to show that the open structure of D-glucose contains the following :
Straight chain
A natural linear polymer of 2-methyl-1, 3-butadiene becomes hard on treatment with sulphur between 373 to 415 K and – S – S – bonds are formed between chains. Write the structure of the product of this treatment?
To have practical applications why are cross links required in rubber?
Assertion: Network polymers are thermosetting.
Reason: Network polymers have high molecular mass.
Which of the following is a cross linked polymer?
Which of the following is a basic dye?
