1.

Write the names and structures of the monomers of each of the following polymers : (i) Natural rubber (ii) Buna-S

Answer»

SOLUTION :(i) Monomer of natural rubber is Isoprene
`UNDERSET("2-methyl Buta-1,3-diene")(CH_3 = underset(CH_3)underset(|)C - CH=CH_2)`
(ii) Monomer of Buna-S is Buta 1,3-diene `(CH_2=CH-CH=CH_2)` and styrene `(C_6 H_5 - CH=CH_2)`. ITIS used in the manufacture of automobile tyres.


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