Define a polymer. Write the monomer used for the preparation of

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 QuestionsLong Answer Type

141.

Elaborate the structure of natural rubber.

251 Views

142. Why does styrene undergo anionic polymerization easily?
578 Views

143. Explain how does 1, 3-butadiene polymerize by different routes?
374 Views

144.

Give the monomers and uses of each of the following addition polymers:
(a) Polyethylene    

(b) Polypropylene       

(c) Polystyrene.

164 Views

Advertisement
145. How does the presence of benzoquinone inhibit the free radical polymerization of a vinyl derivative?
520 Views

146.

What are linear polymer and branched chain polymers? How do these differ from own linked polymers?

890 Views

 Multiple Choice QuestionsShort Answer Type

Advertisement

147.

Define a polymer. Write the monomer used for the preparation of dacron. Mention a use of it.


A polymer is large but single chain-like molecule in which the repeating units derived from small molecules called monomers, are covalently linked. The process by which monomers are transformed into a polymer is called polymerization. 

The monomers used for dacron is ethylene glycol (ethane-1,2-diol) and terephthalic acid (1,4-benzene dicarboxylic acid).
It gives a strong fibre hence used to blend cotton in clothing.



257 Views

Advertisement
148.

Explain with suitable examples:
(i)    Natural polymers
(ii)   Synthetic polymers.

128 Views

Advertisement
149.

Write the names and molecular structure of the monomers of the following:
(i) Natural rubber (ii) Neoprene.

137 Views

150.

Write the names and structures of the monomers of the following polymers:
(i) Polystyrene (ii) Neoprene.

828 Views

Advertisement