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SiCl4 forms [SiCl6]^(2-) while C Cl4 doe...

`SiCl_4` forms `[SiCl_6]^(2-)` while `C Cl_4` does not form `[C Cl_6]^(2-)` Explain.

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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
  1. Why carbon forms covalent compounds whereas lead forms ionic compounds...

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  2. Carbon exhibits catenation, whereas silicon does not. Explain.

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  3. SiCl4 forms [SiCl6]^(2-) while C Cl4 does not form [C Cl6]^(2-) Explai...

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  4. when 'CCl4' is mixed with 'H2 O', they become immiscible. Explain.

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  5. The substance which can accept electrons is a Lewis acid. 'BCl3, BF3' ...

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  6. CO2 is a gas but SiO2 is a solid. Give reason.

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  7. Briefly describe the structure of diborane.

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  8. Starting from borax how will you prepare boric acid? (Write the chemic...

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  9. Boron, Aluminium, Gallium, Indium and Thallium belong to group 13 of t...

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  10. Diborane is an important hydride of Boron a. During a class room disc...

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  11. What is dry ice?

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  12. Say TRUE or FALSE. Boron in aqueous solution forms B^(3+) ion.

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  13. How does sodium hydride react with diborảne?

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  14. What is the maximum covalency of silicon in its compounds?

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  15. Account for the following. (i) P b X2 is more stable than P b X4(X=C...

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  16. C O2' can be represented by the structure 'O=C=O' comment.

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  17. Diamond is hard and non conducting while graphite is soft and conducti...

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  18. Give reason for (i) diamond is a covalent compound yet its melting p...

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  19. Give a labouratory method to prepare diaborance and ist some propertie...

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  20. Why would high pressure be an expected condition for the transformatio...

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