A) \[\text{Si}{{\text{O}}^{\text{-}}}\]
B) \[\text{SiO}_{4}^{4-}\]
C) \[\text{SiO}_{3}^{2-}\]
D) \[\text{SiO}_{4}^{2-}\]
Correct Answer: B
Solution :
The basic building unit of all silicates is the tetrahedral \[SiO_{4}^{4-}.\]It is represented as
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