Question

Silicones are synthetic polymers containing repeated $R_{2}SiO$ units. Since the empirical formula is that of a ketone $\left(R_{2}CO\right),$ 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 $Si{O}_2$, the most common of which is quartz.
Quartz is a framework silicate with $Si{O}_4$ 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?

• A. $\left(I\right),\left(U\right)$ and $\left(III\right),\left(S\right)$
• B. $\left(I\right),\left(Q\right)$ and $\left(III\right),\left(T\right)$
• C. $\left(I\right),\left(S\right)$ and $\left(III\right),\left(P\right)$
• D. $\left(I\right),\left(U\right)$ and $\left(III\right),\left(P\right)\left(Q\right)$

Answer 1

The correct option is B $\left(I\right),\left(Q\right)$ and $\left(III\right),\left(T\right)$