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Why do boron halides act as Lewis acids ...

Why do boron halides act as Lewis acids ?

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ICSE-SOME P-BLOCK ELEMENTS -SHORT ANSWER TYPE QUESTIONS
  1. Boron does not form ionic compounds containing B^(2+) ions. Comment on...

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  2. In the structure of diborane,

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  3. Why do boron halides act as Lewis acids ?

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

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  5. Why is boron trifluoride a weaker Lewis acid as compared to B Br3 and ...

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  6. Discuss the structure of aluminium chloride.

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  7. Inspite of being electron deficient, boron halides do not exist as dim...

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  8. What type of oxides are formed by group 13 elements and how does their...

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  9. Why does boron differ from other elements of its own group in several ...

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  10. Boron does not form [BF6]^(3-), whereas aluminium forms [AlF6]^(3-). E...

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  11. Mention any four properties which show that boron shows diagonal relat...

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  12. Why are the melting and boiling points of C and Si much higher as comp...

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  13. The ionisation energy decreases on moving down the group 14. Explain

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  14. The first ionisation energy of carbon is much higher than that of sili...

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  15. Why is the ionisation energy of lead slightly higher than that of tin?

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  16. The electronegativity remains almost constant in going from Si to Pb. ...

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  17. Explain the difference in properties of diamond and graphite on the ba...

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  18. What do you understand by catenation ? How does the property vary in g...

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  19. What are the common oxidation states exhibited by the elements of grou...

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  20. Why does lead prefer to exist in +2 oxidation state instead of +4 alth...

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