SATHEE: The pBlock Elements - Result Question 22

The pBlock Elements - Result Question 22

####23. 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

(d) hydrolysis of $(CH_3)_3 SiCl$ followed by condensation polymerisation

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Solution:

(c) Hydrolysis of substituted chlorosilanes yield corresponding silanols which undergo polymerisation.CSi(C)Ge(Cl)ClCSi(O)O

Polymerisation of dimethylsilanol yields linear thermoplastic polymer.CSi(O)OSi(C)OSi(C)OSi(C)O

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The pBlock Elements - Result Question 22

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