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On moving down the group 13 density...

On moving down the group 13 density

A

Increases

B

Decreases

C

First decreases then increases

D

Remains same

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The correct Answer is:
A
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Knowledge Check

  • The stability of higher oxidation states on moving down the group in transition elements

    A
    Decreases
    B
    Increases
    C
    Remain same
    D
    Increases from first series to second and decreases from second to third

  • Directions : This contain Assertion and Reason type question, Each question has 4 choices (1),(2),(3) and (4), out of which only one correct. Assertion (A) On going down the group-13, inert pair effect decreases. Reason ( R ) On moving down the group, stability of compounds in higher oxidation state increases.

    A
    Both Assertion and Reason are correct and Reason is the correct
    B
    Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
    C
    Assertion is correct but Reason is incorrect
    D
    Both Assertion and Reason are incorrect

  • On moving down the group from He to Rn the boiling points.

    A
    increase
    B
    decrease
    C
    increase but irregularly
    D
    decrease but irregularly.
    • AAKASH INSTITUTE-THE P-BLOCK ELEMENTS-Assignment Section-A)
    1. On moving down the group 13 density

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    2. Boron has an extremely high melting point because of

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    3. Elements of group 13 mainly form covalent compounds because

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    4. On moving down the group, the basic nature of hydroxide of boron famil...

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    5. General oxidation state shown by group 13 elements is

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    6. Which one of the following elements of group 13 can react with alkali ...

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    7. The Lewis acid character of boron trihalides decreases as: B Br(3) gt ...

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    8. Dimer Al(2)Cl(6) is formed because

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    9. When we heat borax strongly then it will yield the following compound

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    10. B(OH)(3) will accept how many OH^(-) ions?

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    11. Boric acid is polymeric due to

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    12. Select the incorrect statement for B(2)H(6)

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    13. If diborane each boron has three electrons bonds around each B atom an...

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    14. Which of the following structure is smaller to graphite?

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    15. The number of sigma and pi bonds present I inorganic benzene are respe...

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    16. Why are alloys used for making standard resistance coils?

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    17. Which of the following alkali metal does not form alum ?

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    18. What is the general valence shell electronic configuration of group 14...

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    19. Tendency of carbon for catenation is because carbon-carbon atoms bond ...

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    20. All elements except carbon have tendency to show maximum covalency of ...

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