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Silicones

The general f...

Question

The general formula of silicones is

A

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Solution

The correct option is A

Silicones are polymeric organosilicon compounds having Si - O - Si linkages. These compounds have the general formula $(R_{2} S i O)_{x}$ , where R is alkyl or aryl group. They may be linear, cyclic or cross-linked polymers.

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Similar questions

Q. Silicones have the general formula :

Q. Silicones are synthetic polymers containing repeated

R_{2} S i O

units. Since the empirical formula is that of a ketone

(R_{2} C O),

the name silicone has been given to these materials. Silicones can be made into oils, rubbery elastomers and resins. They find a variety of appilications because of their chemical inertness, water repelling nature, heat resistance and good electrical insulating property.

The name 'silica' covers an entiregroup of minerals which have general formula

S i O_{2}

, the most common of which is quartz.
Quartz is a framework silicate with

S i O_{4}

tetrahedra arranged in spirals.

List-I contains questions related to silicates given above and List-II contains their answers.

Which of the following options has the correct combination considering Lists-I and List-II?

Q. The chemical formula of silicon oxide is:

Q. What is the formula of Silicon Carbide (Carborundum)?

Q. Formula for the carbide of silicon with its correct property is:

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