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Why boron compounds such as BF(3) are ca...

Why boron compounds such as `BF_(3)` are called electron deficient compounds ?

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Because the valence shell of boron in `BF_(3)` has only six electrons and needs two more electrons to complete its octet.
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PRADEEP-SOME p-BLOCK ELEMENTS-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS) I. Group 13 Elements
  1. Which element of group 13 forms the most stable +1 oxidation state.

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  2. Name the element of group 13 which forms only covalent compounds.

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  3. Why boron compounds such as BF(3) are called electron deficient compo...

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  4. Why boron trihalides act as Lewis acids ?

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  5. BCl(3) behaves as a Lewis acid Give reason.

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  6. How does electron deficient compound BF(3) achieve electron saturation...

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  7. Why do boron halides form addition compounds with amines ?

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  8. Why BF(3) forms as an adduct with ammonia ?

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  9. Which element of group 13 forms amphotric hydroxide ?

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  10. How does BF(3) act as a catalyst in industrial process?

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  11. Draw the structure of Al(2)Cl(6).

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  12. What is the correct strctural formula of borax (Na(2)B(4)O(7).10H(2)O)

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  13. What happens when : (i) Carbon dioxide is passed through an aqueous...

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  14. What happens when a borax solution is acidfied ? Write a balanced equa...

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  15. With the help of a balanced chemical equation show how B(OH)(3) behave...

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  16. What happens when boric acid is heated?

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  17. What are boranes?

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  18. How is diborane prepared ?

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  19. How does NaBH(4) react with iodine ?

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  20. How is inorganic benzene prepared ?

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