A) \[Si{{O}^{-}}\]
B) \[SiO_{4}^{4-}\]
C) \[SiO_{3}^{2-}\]
D) \[SiO_{4}^{2-}\]
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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