Q. 185.0( 1 Vote )

Me3 SiCl is used during polymerisation of organo silicones because
A. the chain length of organo silicone polymers can be controlled by adding Me3SiCl

B. Me3SiCl blocks the end terminal of silicone polymer

C. Me3SiCl improves the quality and yield of the polymer

D. Me3SiCl acts as a catalyst during polymerisation

Answer :

The chain length of the polymer can be controlled by adding Me3SiCl, which blocks the ends of the silicone polymer.

Thus, by blocking the end of a polymer chain the polymerization of the organo-silicones is stopped and the chain length can be maintained.

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