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प्रश्न
Silicon has a strong tendency to form polymers like silicones. The chain length of silicone polymer can be controlled by adding ______.
विकल्प
MeSiCl3
Me2SiCl2
Me3SiCl
Me4Si
उत्तर
Silicon has a strong tendency to form polymers like silicones. The chain length of silicone polymer can be controlled by adding Me3SiCl.
Explanation:
The chain length of the polymer can be controlled by adding (CH3)3SiCl which blocks the ends.
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संबंधित प्रश्न
Me3SiCl is used during polymerisation of organo silicones because:
(i) the chain length of organo silicone polymers can be controlled by adding Me3SiCl.
(ii) Me3SiCl blocks the end terminal of silicone polymer.
(iii) Me3SiCl improves the quality and yield of the polymer.
(iv) Me3SiCl acts as a catalyst during polymerisation.
Assertion (A): Silicons are water repelling in nature.
Reason (R): Silicons are organosilicon polymers, which have (–R2SiO–) as repeating unit.
What are silicones? State the uses of silicones.
Which of the following compounds is used in cosmetic surgery?
In silicones, silicon is strongly linked to
Among the following substituted silanes, which one will give rise to cross linked silicone polymer on hydrolysis?
