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The basic structural unit of silicates i...

The basic structural unit of silicates is

A

`SiO_(4)^(2-)`

B

`SiO^(-)`

C

`SiO_(4)^(4-)`

D

`SO_(3)^(2-)`

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The correct Answer is:
C
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The basic structural unit in silicates is

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Silicates are metal derivatives of silicic acid. Silicates are formed by heating metal oxide or metal carbonate with sand. Na_(2)CO_(3) underset(SiO_(3)) overset("Fused with Sand")toNa_(4)SiO_(4),Na_(2)(SiO_(3)) etc A silicate in general has Si-O bond and possesses a complex network solid having silicate ion SiO_(4)^(4-) as the basic structural unit. These silicates occurs singly or by sharing oxygen atom is small occurs singly or by sharing oxygen atom is small groups, in cyclic groups, in infinite chains or infinite sheets giving different structures to silicates such as chain silicates, ring silicates, cyclic silicates, sheet silicates, three dimensional silicates etc., Which of the following is ortho silicate ?

Silicates are metal derivatives of silicic acid. Silicates are formed by heating metal oxide or metal carbonate with sand. Na_(2)CO_(3) underset(SiO_(3)) overset("Fused with Sand")toNa_(4)SiO_(4),Na_(2)(SiO_(3)) etc A silicate in general has Si-O bond and possesses a complex network solid having silicate ion SiO_(4)^(4-) as the basic structural unit. These silicates occurs singly or by sharing oxygen atom is small occurs singly or by sharing oxygen atom is small groups, in cyclic groups, in infinite chains or infinite sheets giving different structures to silicates such as chain silicates, ring silicates, cyclic silicates, sheet silicates, three dimensional silicates etc., The general formula (SiO_(3)^(2-))_(n) forms

Silicates are metal derivatives of silicic acid. Silicates are formed by heating metal oxide or metal carbonate with sand. Na_(2)CO_(3) underset(SiO_(3)) overset("Fused with Sand")toNa_(4)SiO_(4),Na_(2)(SiO_(3)) etc A silicate in general has Si-O bond and possesses a complex network solid having silicate ion SiO_(4)^(4-) as the basic structural unit. These silicates occurs singly or by sharing oxygen atom is small occurs singly or by sharing oxygen atom is small groups, in cyclic groups, in infinite chains or infinite sheets giving different structures to silicates such as chain silicates, ring silicates, cyclic silicates, sheet silicates, three dimensional silicates etc., Number of oxygen atoms in pyrosilicate is

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DINESH PUBLICATION-P BLOCK ELEMENTS (GROUP 13 AND 14 )-Multiple choice
  1. Which of the following compound is not hydrolysed?

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  2. Which of the following forces bind together carbon atoms in diamond?

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  3. Na^(+), Mg^(2+), Al^(3+), and Si^(4+) are isoelectronic ions. Their io...

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  4. An ammoniacal solution of cuprous chloride (CuCl) absorbs

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  5. The oxide which does not act as reducing agent is:

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  6. The structure and hybridisation of Si in Si(CH(3))(4) is

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  7. The ion that cannot ne precipitated by both HCl and H(2)S is

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  8. In graphie, the electron are

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  9. Borax is uded as a cleaning agent because on dissolving in water, it g...

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  10. Which of the following anions is present in the chain structure of sil...

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  11. The stability of +1 oxidation state increases in the sequence :

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  12. The straight chain polymer is formed by

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  13. Which of the following molecular hydrises acts as a Lewis acid?

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  14. Reaction of diborane with ammonia gives initially

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  15. The correct order of mathching of the following compounds is:

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  16. B(OH)(3) is

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  17. Aluminum is exteracted from alumine AI(2)O(3) by electrolysis of a m...

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  18. The basic structural unit of silicates is

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  19. Which of the following is electron deficient ?

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  20. Boric acid is an acid because its molecule

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