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The vast majority of silicates are insol...

The vast majority of silicates are insoluble in water, except alkali metal silicate. The extreme stability of silciates is due to the donation of extra electrons from O atoms into the vacant 3d-orbital of Si. The `SiO_(4)` tetrahedral units may occur singly or may share one, two , three of four O atoms through comers giving rise to cycle groups, chains infinite layers of infinite three dimensional frame work.
Anion `Si_(3)O_(9)^(x-)` present in beniotite. Then x is

A

5

B

6

C

7

D

12

Text Solution

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The correct Answer is:
B
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The vast majority of silicates are insoluble in water, except alkali metal silicate. The extreme stability of silciates is due to the donation of extra electrons from O atoms into the vacant 3d-orbital of Si. The SiO_(4) tetrahedral units may occur singly or may share one, two , three of four O atoms through comers giving rise to cycle groups, chains infinite layers of infinite three dimensional frame work. Select incorrect option for (Si_(4)O_(11))_(n)^(6n-)

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