Which one of the following is not used as a monomer for the…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Which one of the following is not used as a monomer for the synthesis of a high molecular weight silicone polymer ?

MeSiCl 3

Me 2 SiCl 2

Me 3 SiCl

PbSiCl 3

Text Solution

Verified by Experts

The correct answer is:

From the hydrolysis of (CH 3 ) 3 SiCl only dimer is formed

(CH 3 ) 3 SiCl (CH 3 ) 3 Si(OH)

While in MeSiCl 3 , Me 2 SiCl 2 & PbSiCl 3 polymer is formed.

Note: There is a typing error in this question.

"Pb" mentioned in option suggests the metal "Lead". There is no compound like PbSiCl 3 , since it can be rejected on the basis of valancies.

Actually, it should be PBSiCl 3 . Note that "PB" here is represents polybutadiene polymer derivative.

Interestingly, this question is repeated from NEET-2013. In that paper, correct printing was done.

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