Question

Name the structure of silicates in which three oxygen atoms of $[SiO_4]^{4-}$ are shared is

• A. pyrosilicate
• B. sheet silicate
• C. linear chain silicate
• D. three-dimensional silicate

Answer 1

Answer: (B)

sheet silicate

Answer 2

In sheet silicates, three out of four oxygen of $SiO^{4-}_4$ unit are shared as shown below : In pyrosilicates, there is only one shared oxygen, in linear chain silicates, two oxygen per tetrahedra are shared while in three-dimensional silicates, all four oxygens are shared.