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Trisillylamine is a weaker base than tri...

Trisillylamine is a weaker base than trimethylamine-Why?

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In Trisllyl amine` (SiH_3)_3overset ddot N` the lone pair of N- atom in involved in `ppi-dpi` bonding with the vacant 3d orbitals on silicon atom. So the lone pair is not available for donation to Lewis acid which usually occur for trimethylamine `(CH_3)_3overset ddot N`. sp trisllyl amine is a weaker base.
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PATHFINDER-SOME P-BLOCK ELEMENTS-QUESTION BANK
  1. Why B-F bond lengths in BF3 and BF^-4 differ ?

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  2. PbCl2 is more stable than PbCl4 - Why?

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  3. Trisillylamine is a weaker base than trimethylamine-Why?

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  4. Out of CO and CO2 which acts as an ligand and why?

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  5. What do you mean by oil dag and aqua dag ? Write their uses.

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  6. What happens when (State with equation) At 200^@C under high pressur...

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  7. What happens when Silicon is heated with methyl chloride at high tempe...

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  8. Identify the compound A, X and Z in the following. A+2HCl+5H2O to 2N...

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  9. Identify the compound A, X and Z in the following.

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  10. Complete the following: ---+3LiAiH4 to ---+3LiF+3AiF3

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  11. Complete the following: ---+6H2O to---+6H2

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  12. Complete the following: ---+3O2 overset (triangle) to B2O3+3H2O

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  13. Describe the shapes of BF3 and BF4^

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  14. Is boric acid a protonic acid ? Explain.

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

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

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

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

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

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  20. Why is the CO2 molecule non polar?

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