MCQ
Silicon has a strong tendency to form polymers like silicones. The chain length of silicones polymer can be controlled by adding
  • A
    $MeSiCl_3$
  • B
    $Me_2SiCl$
  • $Me_3SiCl$
  • D
    $Me_4Si$

Answer

Correct option: C.
$Me_3SiCl$
c
$\mathrm{Me}_{3} \mathrm{SiCl}$

The chain length of Silicone polymer can be controlled by adding $\left(\mathrm{CH}_{3}\right)_{3} \mathrm{SiCl}$, which blocks the ends as shown below:

$\left(\mathrm{CH}_{3}\right)_{3} \mathrm{SiCl} \frac{\mathrm{H}_{2} \mathrm{O}}{-\mathrm{HCl}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{SiOH}$

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