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Questions  

True statements about silicones/ silicates are: 
I) Silicones resist oxidation and attack by organic reagents 
II) Silicones are lubricants at low as well as high temperature 
III) Cross-linked silicones are formed by the hydrolysis of trichlorosilicone and 
subsequent polymerization 
IV) Silicones are good electrical insulators and are antifoaming agents. 
V) Both Silicones and Silicates compound contains Si – O – Si linkage 
 

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By Expert Faculty of Sri Chaitanya
a
I, II, IV only
b
I, II, III, V only
c
I, III, IV, V only
d
All are correct
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detailed solution

Correct option is D

I) Silicones resist oxidation and attack by organic reagents II) Silicones are lubricants at low as well as high temperature III)  Cross-linked silicones are formed by the hydrolysis of trichlorosilicone and  subsequent polymerization IV) Silicones are good electrical insulators and are antifoaming agents. V) Both Silicones and Silicates compound contains Si – O – Si linkage


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