How is a linear chain polymer formed?

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Question

(C) The hydrolysis of dialkyldichlorosilane $(R_2SiCl_2)$ produces dialkylsilanediol $(R_2Si(OH)_2)$.These silanediol molecules undergo condensation p

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By hydrolysis followed by condensation polymerization of $(CH_3)_2SiCl_2$

Vedclass · Answer

(C) The hydrolysis of dialkyldichlorosilane $(R_2SiCl_2)$ produces dialkylsilanediol $(R_2Si(OH)_2)$.These silanediol molecules undergo condensation polymerization to form linear chain silicone polymers.For $(CH_3)_2SiCl_2$:$n(CH_3)_2SiCl_2 + 2nH_2O \rightarrow n(CH_3)_2Si(OH)_2 + 2nHCl$$n(CH_3)_2Si(OH)_2 \rightarrow -[O-Si(CH_3)_2-O]_n- + nH_2O$Thus,$(CH_3)_2SiCl_2$ is the correct precursor for linear chain polymers.

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