question_answer

The structure of \[\text{Si}{{\text{O}}_{\text{2}}}\]is :

A)  trigonal               

B)  square planar

C)   tetragonal       

D)  hexagonal prisms

Correct Answer: D

Solution :

                  The giant molecule of silica is formed by the linking of the silicon atom with four oxygen atoms arranged tetrahedrally (i) around the silicon.