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Read name silica covers an entire group ...

Read name silica covers an entire group of minereal, which have the general formual `SiO_(2)`, the mole common of which is quartz. Quartz is form work silicane with `SiO_(4)` tetrahedra arranged in spirals. The spirals can turn in a clockwise or anticlockwise direction a feature that results in there being two mirror images, optically active, varieties of quartz.
`Si_(3)O_(9)^(6-)` (having three tetrahedral) is represented as

A

B

C

BOTH

D

none

Text Solution

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The correct Answer is:
B
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Read name silica covers an entire group of minereal, which have the general formual SiO_(2) , the mole common of which is quartz. Quartz is form work silicane with SiO_(4) tetrahedra arranged in spirals. The spirals can turn in a clockwise or anticlockwise direction a feature that results in there being two mirror images, optically active, varieties of quartz. The following pictures represent various silcate anions. Their formulae are respectively.

The name 'silica' covers an entire froup of minerals which have the general formula SiO_2 the most tetrahedra arratnged in spirals . The spirals can turn in a clockwise or anti-clockwise direction - a feature that results in these being two mirror images opticallyy active, varieties of quartz. Si_3O_9^(6-) (having three tetrahedra ) is represented as :

The name 'silica' covers an entire froup of minerals which have the general formula SiO_2 the most tetrahedra arratnged in spirals . The spirals can turn in a clockwise or anti-clockwise direction - a feature that results in these being two mirror images opticallyy active, varieties of quartz. The silicate anion in the mineral kinoite is a chain of three SiO_4^(-4) tetrahedra that share corners with the adacent tatrahdr . The mineral also contains Ca^(2)=0 ions , Cu^(2+) ions and water molecules in a 1: 1: 1 ratio . This mineral is represented as :

MOTION-P-BLOCK ELEMENTS-Exercise - 2 Objective Problems | JEE Adv.
  1. In which of the following, a salt of the type KMO(2) is obtained ?

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  2. Read name silica covers an entire group of minereal, which have the ge...

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  3. Read name silica covers an entire group of minereal, which have the ge...

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  4. Read name silica covers an entire group of minereal, which have the ge...

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  5. Silicones are synthetic polymers containing repeated R2 SiO units . Si...

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  6. Silicones are sunthetic polyners conitainging repeated R2 SiO units . ...

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  7. The general formula of cyclic or ring silicates is

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  8. Silica reacts with magnesium to form magnesium compound (X).(X) reacts...

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  9. Silica is reacted with sodium carbonate . What is the gas liberateed ?

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  10. A bottle of fire exitingushers contain H(2)SO(4) and:

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  11. The following flow diagram represented the industrial preparatioin of ...

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  12. The following flow diagram represented the industrial preparatioin of ...

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  13. There are some deposits of nitrated and phosphates in the earth's crus...

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  14. There are some deposits of nitrated and phosphates in the earth's crus...

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  15. White phosphorus on reaction with NaOH gives PH(3) as one of the produ...

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  16. Which one of the oxides of nitrogen dimerises into colourless solid/li...

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  17. Ammonia reaxcts with Nessler's reagent to give:

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  18. When NH4OH is added to copper sulphate solution, blue colour is obtain...

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  19. For H(3)PO(3) and H(3)PO(4) the correct choice is

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  20. When an inorganic compound reacts with SO2 in aqueous medium produces ...

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