Read the following message passage and a...

Read the following message passage and answer the followed by is silicates are a group of minerals which have general formula `SiO_(2)` the most common of which is quartz. Quartz is a frame work silicate with `SiO_(4)` tetrahydra arranged in spirals. The spirals can turn in clockwise or anticlork wise direction a feature that result in there being two mirror images optically active varities of quartz
The following represents various silicate anions . Their formulae are respectively

`SiO_(3)^(2-),SiO_(7)^(2-)`

`SiO_(4)^(4-),Si_(3)O_(10)^(8-)`

`SiO_(4)^(2-),Si_(3)O_(9)^(2-)`

`SiO_(3)^(4-),Si_(3)O_(7)^(8-)`

Verified by Experts

The correct Answer is:

`SiO_(4)^(-4),Si_(3)O_(10)^(8-)` [tetrahedral units]

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Read the following message passage and answer the followed by is silicates are a group of minerals which have general formula SiO_(2) the most common of which is quartz. Quartz is a frame work silicate with SiO_(4) tetrahydra arranged in spirals. The spirals can turn in clockwise or anticlork wise direction a feature that result in there being two mirror images optically active varities of quartz Si_(3)O_(10)^(8-) (having three tetrahedral units ) is represented as

Both

None

`CaCuSi_(3)O_(10). H_(2)O`

`CaCuSi_(3)O_(10).2H_(2)O`

`Ca_(2)Cu_(2)SiO_(3)O_(10).2H_(2)O`

`Ca_(2)CuSi_(3)O_(10).4H_(2)O`

Both

None