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.

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

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

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

147.

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

257 Views

148.

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

128 Views

is isoprene
Its IUPAC name is 2-methyl 1, 3-butadiene.

rubber.
Its IUPAC name is 2-chloro 1, 3-butadiene.

137 Views

150.

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

828 Views