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Why boron forms electron deficient compo...

Why boron forms electron deficient compounds?

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PRADEEP-SOME p-BLOCK ELEMENTS-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS) I. Group 13 Elements
  1. Give the structure of anhydrous aluminium chloride and boron triflu...

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  2. Boron forms no compound in unipositive state while thallium in unipo...

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  3. Why boron forms electron deficient compounds?

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  4. Write balanced equations for the reaction of elemental boron with o...

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  5. Discuss the acid-base behaviour of oxides and hydroxides of group 1...

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  6. What happens when aluminium reacts with : (i) NaOH and (ii) Conc. H...

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  7. How are boron trihalides prepared ?

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  8. Discuss the structure of boron trihalides.

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  9. Why do boron trihalides behave as Lewis acids ? Discuss their relati...

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  10. Describe the shapes of BF(3) and BH(4)^(ө). Assign the hybridisation o...

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  11. Explain the following giving reason : (i) BF(3) acts as a Lewis acid...

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  12. Arrange the boron trihalides in order of increasing Lewis acid chara...

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  13. Comment upon icosahedral structure of boron.

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  14. Why does boron differ from rest of the elements of group ? Give at l...

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  15. Discuss briefly the action of heat or borax.

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  16. Discuss the structure of [B(4)O(5)(OH)(4)]^(2-).

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  17. Explain the chemistry of borox bead test.

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  18. How is boric acid prepared from borax ? Briefly discuss its acidic...

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  19. Discuss the action of heat on boric acid .

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  20. How is borate ion detected in qualitative analysis ?

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