The Pblock Elements Ques 16
16. The straight chain polymer is formed by
[2009]
(a) hydrolysis of $CH_3 SiCl_3$ followed by condensation polymerisation
(b) hydrolysis of $(CH_3)_4 Si$ by addition polymerisation
(c) hydrolysis of $(CH_3)_2 SiCl_2$ followed by condensation polymerisation
(d) hydrolysis of $(CH_3)_3 SiCl$ followed by condensation polymerisation
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Answer:
Correct Answer: 16.(c)
Solution:
- (c) Hydrolysis of substituted chlorosilanes yield corresponding silanols which undergo polymerisation.
Polymerisation of dimethylsilanol yields linear thermoplastic polymer.
BETA
