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Alkanes are large in number but Sillanes...

Alkanes are large in number but Sillanes are comparatively few- Why?

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C-C bond being strong the tendency of catenation among C- atoms is high resulting the formation of large number of alkanes. But Si- Si bonds are weak for which it has low tendency of catenation and so Silicones are few in number.
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PATHFINDER-SOME P-BLOCK ELEMENTS-QUESTION BANK
  1. Is boric acid a protonic acid ? Explain.

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  2. What is importance of highly pure silicon? How can it be prepared?

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  3. Alkanes are large in number but Sillanes are comparatively few- Why?

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  4. What are silicates? Give one example each of orthosilicate and pyrosil...

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  5. What happens when (Give equation) Calcium carbonate is strongly heat...

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  6. What happens when (Give equation) Carbon monoxide gas is passed oven...

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  7. Why is the CO2 molecule non polar?

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  8. Write down the condition and equation of the reaction between ammonia ...

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  9. A mixture of CO and CO2 gas is there. How would you convert the whole ...

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  10. A mixture of CO and CO2 gas is there. How would you convert the whole ...

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  11. Which compound on heating gives pure BF3?

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  12. What are Carbogen and smelling salt? Give one use of each of them.

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  13. Between AIF3 and AlCl3 which has greater melting point?

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  14. Anhydrous AlCl3 is a covalent compound but hydrated aluminium chloride...

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  15. PbCl4 is a stable compound but Pbl4 has no existance. Explain Why?

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  16. What is tynchal? Give its chemical formula.

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  17. How would you remove CO2 from a mixture of CO2 and SO2

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  18. Write the formula of Kaolinite.

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  19. What is sheet silicate?

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  20. Explain why anhydrous aluminium chloride cannot be prepared by heating...

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