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If a trivalent atom replaces a few silic...

If a trivalent atom replaces a few silicon atoms in three dimensional network of silicon dioxide, what would be the type of charge on overall structure ?

A

There are double bonds between silicon and oxygen atoms

B

Silicon atom is bonded to two oxygen atoms

C

Each silicon atom is surrounded by two oxygen atoms and each oxygen atom is bonded to two silicon atoms

D

Each silicon atom is surrounded by four oxygen atom and each oxygen atom is bonded to two silicon atoms

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 1
  1. Addition of SnCl(2) to HgCl(2) gives precipitate:

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  2. Name the type of the structure of silicate in which one oxygen atom of...

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  3. If a trivalent atom replaces a few silicon atoms in three dimensional ...

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  4. Cetenation i.e., linking of similar atoms depends on size and electron...

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  5. On controlled hydrolysis and condensation, R(3)SiCl yields

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  6. When tin is treated with concentrated nitric acid

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  7. (CH(3))(2)SiCl(2) underboes hydrolysis but (CH(3))(2)"CC"l(2) does not...

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  8. Which one shows most pronounced inert pair effect ?

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  9. Which of the following is the electron deficient molecule -

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  10. Which of the following organo-silicon compound on hydrolysis will give...

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  11. Bond energy is highest for :

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  12. Which amongst the following is also called as a sesqui oxide :

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  13. Which of the following species does not exist?

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  14. Dative bonds are not present in :

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  15. All the products formed in the oxidation of NaBH(4) by I(2) are

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  16. Select correct statement about H(3)BO(3)

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  17. Orthoboric acid behaves as weak monobasic acid giving H^(+) and .

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  18. BCl(3) does not exist as dimer but BH(3) exist as dimer (B(2)H(6)) bec...

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  19. With a given anion the correct stability order of tetra haloborates is...

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  20. BCl(3)+LiAlH(4)toA+LiCl+AlCl(3) A+H(2)OtoB+H(2) Boverset("Red heat...

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