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How do the Density property vary on movi...

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

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ICSE-SOME P-BLOCK ELEMENTS -SHORT ANSWER TYPE QUESTIONS
  1. Write the names and electronic configuration of all the elements belon...

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

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

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

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

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

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

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

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

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

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

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  12. In the structure of diborane,

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  13. Why do boron halides act as Lewis acids ?

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

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

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  16. Discuss the structure of aluminium chloride.

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

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

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

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

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