what is the structure of nylon2-nylon6?

 Could you please  explain the Novolac and   Bakelite structure with the diagrams.....?

difference between nylon 6 and nylon 6 6

What is the monomer of terylene?

give monomers of bakelite.

 What are bi-functional and tri-functional monomeric units????

Define with xamples....

 What does the designation '6,6' in nylon 6,6 polymer mean ? 

Write the free radical mechanism for the polymerisation of ethene.

whats a homopolymer copolymer, give examples

Differentiate between Buna-S and Terylene based on intermolecular forces of attraction ?

para nitrochlorobenzene is more reactive than chlorobenzene towards nucleophilic substitution reaction.why?

what do u mean by bifunctional and trifunctional polymers ??

 Differentiate the following pairs of polymers based on the properties mentioned against each.

(i) Novolac & Bakelite (structure)

(ii) Buna-S & Terylene (Intermolecular force of attraction)

Arrange the following polymers in the increasing order of their intermolecular forces :

(a)Nylon 6,6 , Buna-s, polythene

(b)PVC , nylon 6, neoprene

important questions from polymers