Elements of Group 13, 14 and 15 — Chemistry STD 11 Science — Question
Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryElements of Group 13, 14 and 154 Marks
Question
What are silicones? Where are they used?
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Answer
i. a. Silicones are organosilicon polymers having $R_2SiO ($where, $R = CH_3 $ or $C_6H_5 $ group$)$ as a repeating unit held together by
b. Since the empirical formula $R_2SiO ($where $R = CH_3 $ or $C_6H_5 $ group$)$ is similar to that of ketones $(R_2CO)$, these compounds are named as silicones.
ii. Applications: They are used as
insulating material for electrical appliances.
water proofing of fabrics.
sealant.
high temperature lubricants.
for mixing in paints and enamels to make them resistant to high temperature, sunlight and chemicals.
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