➢ડાયઆલ્કલી સાયલનડીઓલનું બહુલીકરણ થતા રેખીય થર્મોપ્લાસ્ટિક પોલિમર મળે છે.
\(\,\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,} \\
{HO - Si - \boxed{OH + H}O - Si - OH \to } \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,}
\end{array}\) \(\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{HO - Si - O - Si - OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,}
\end{array}\)
સ્તંભ $A$ | સ્તંભ $B$ |
$(i) \;\mathrm{Na}_{2} \mathrm{O}$ | $(a)$ તટસ્થ |
$(ii) \;\mathrm{Al}_{2} \mathrm{O}_{3}$ | $(b)$ બેઝિક |
$(iii)\;\mathrm{N}_{2} \mathrm{O}$ | $(c)$ એસિડિક |
$(iv)\;\mathrm{Cl}_{2} \mathrm{O}_{7}$ | $(d)$ ઉભયગુણી |