Solid State Question 133

Question: Quartz is a crystalline variety of

[Pb. PMT 2000]

Options:

A) Silica

B) Sodium silicate

C) Silicon carbide

D) Silicon

Show Answer

Answer:

Correct Answer: A

Solution:

Quartz is a covalent crystal having a framework of silicates or silica, i.e. a three dimensional network when all the four oxygen atoms of each of $ SiO_4 $ tetrahedron are shared.