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Home
Class 12
CHEMISTRY
Does actinoids show actinoid contraction...

Does actinoids show actinoid contraction similar to lanthanoid contraction ?

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Explore conceptually related problems

Why actinoid contraction is more than lanthanoid contraction

What is lanthanoid contraction ?

Knowledge Check

  • Actinoid contraction is more than lanthanoid contraction because

    A
    Energy of 4 f and 5f orbitals are same
    B
    5 f orbitals are more diffused as compared to 4 f orbitals
    C
    Actinoids show greater range of oxidation states than lanthanoids
    D
    Actinoids are highly reactive

  • Reason of lanthanoid contraction is

    A
    Decreasing screening effect
    B
    Negligible screening effect of 'f' orbitals
    C
    Increasing nuclear charge
    D
    Decreasing nuclear charge

  • Reason of lanthanoid contraction is

    A
    negligible screening effect of f-orbitals
    B
    increasing nuclear change
    C
    decreasing nuclear charge
    D
    decreasing screening effect

    • Similar Questions

    Explore conceptually related problems

    What is lanthanoid contraction?

    What is lanthanoid contraction ?

    Reason of lanthanoid contraction is

    What is meant by lanthanoid contraction ?

    Because of lanthanoid contraction :

    MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-PRACTICE PROBLEM
    1. The orange colour of dichromate solution changes of blue on heating wi...

      01:05

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    2. MnO2 on heating with potassium hydroxide in the presence of air forms...

      02:29

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    3. Chromite is ...........

      Text Solution

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    4. KMnO4 overset("heat")(to) ………… + MnO2 + …………..

      01:54

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    5. Write ionic equation showing KMnO4 acting as an oxidising agent in ac...

      02:23

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    6. What is the oxidation state of (i) Cr in dichromate ion (ii) ...

      04:32

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    7. The equivalent weight of KMnO(4) in (a) neutral medium, (b) acidic med...

      02:19

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    8. Complete the chemical reactions : (i) MnO4^(-) + SO2 + H^(+) to ...

      03:21

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    9. What is the shape of chromate ion ?

      01:02

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    10. In chromyl chloride test orange red vapours are obtained. These are du...

      02:29

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    11. Which out of the two ,La(OH)(3) and Lu(OH)(3), is more basic and why?

      01:59

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    12. Most stable oxidation state of Lanthanoids

      04:51

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    13. How many unpaired electrons are present in Gd(Z = 64) ?

      01:48

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    14. Name the actinoid used for the manufacture of fine rods for atomic rea...

      02:32

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    15. Arrange Ce^(3+) (Z = 58), Sm^(3+) (Z = 62) and Yb^(3+ ) (Z = 70) in d...

      03:06

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    16. Name the basic cause of similar atomic radii of Hf and Zr.

      01:38

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    17. Does actinoids show actinoid contraction similar to lanthanoid contrac...

      03:31

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    18. Name the trivalent lanthanoid having the configuration [Xe]4f^7

      02:52

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    19. Which of the following ion is colourless? U^(3+) , Cm^(4+) , Th^(4...

      02:35

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    20. Name two tripositive lanthanoid ions which are colourless.

      03:55

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