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To which block of the periodic table gro...

To which block of the periodic table group `13` belongs.What is the general outer electronic configuration of this group?

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Knowledge Check

  • What is the general outer electronic configuration of the coinage metals?

    A
    `ns^(2)np^(6)`
    B
    `(n-1)d^(10)ns^(1)`
    C
    `n-1)d^(10)ns^(2)`
    D
    `(n-1)d^(8)ns^(2)`

  • What is the general outer electronic configuration of the coinage metals ?

    A
    `ns^(2)np^(6)`
    B
    `(n-1)d^(10)ns^(1)`
    C
    `(n-1)d^(10)ns^(2)`
    D
    `(n-1)d^(9) ns^(2)`

  • General outer electronic configuration of f-block element is

    A
    `ns^(2) np^(1-6)`
    B
    `(n-2) f^(1-14)(n-1) d^(0-1) ns^(2)`
    C
    `(n-1) d^(1-10) ns^(1-2)`
    D
    None of these
    • PRADEEP-SOME p-BLOCK ELEMENTS-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS) I. Group 13 Elements
    1. To which block of the periodic table group 13 belongs.What is the gene...

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    2. Explain maximum covalency of boron and aluminium.

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    3. How does boron occur ?

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    4. Name the elements of group 13 in the increasing order of their atomic ...

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    5. What is inert pair effect ? Discuss the oxidation states of Group 13...

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    6. Boron is trivalent. Explain.

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    7. Give the structure of anhydrous aluminium chloride and boron triflu...

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

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    9. Why boron forms electron deficient compounds?

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

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

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

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    13. How are boron trihalides prepared ?

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    14. Discuss the structure of boron trihalides.

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

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

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

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

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    19. Comment upon icosahedral structure of boron.

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

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