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Why do boron halides form addition compo...

Why do boron halides form addition compounds with ammonia ?

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Boron halides act as Lewis acids and are capable of accepting a pair of electrons from amines (which act as Lewis bases) to form addition compounds.
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ICSE-SOME P-BLOCK ELEMENTS -SHORT ANSWER TYPE QUESTIONS
  1. Why are boron halides and diborane referred to as 'electron deficient ...

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  2. What happens when a borax solution is acidified ? Write a balanced equ...

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  3. Why do boron halides form addition compounds with ammonia ?

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  4. With the help of a balanced chemical equation, show that B(OH)3 behave...

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  5. Write the resonance structures of CO(3)^(2-)" and "HCO(3)^(-).

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  6. What is dry ice and why is it called so ?

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  7. Write the names and electronic configuration of all the elements belon...

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  8. Why is the atomic radius of gallium smaller than that of aluminium?

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  9. How do the Density property vary on moving down the group 13?

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  10. How do the Melting and boiling points property vary on moving down the...

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  11. How do the Metallic character property vary on moving down the group 1...

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  12. Why are the second and third ionisation energies of group 13 elements ...

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  13. What is inert-pair effect? Illustrate with an example.

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  14. Why does the stability of + 3 oxidation state decrease on moving down ...

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  15. Atomic size increases down a group of the periodic table. Explain.

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  16. Why does gallium have higher ionisation energy than aluminium?

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  17. Boron does not form ionic compounds containing B^(2+) ions. Comment on...

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  18. In the structure of diborane,

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  19. Why do boron halides act as Lewis acids ?

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  20. Arrange BF3, BCl3, B Br3, BI3 in the decreasing order of Lewis acid ch...

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