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Identify the incorrect statement among t...

Identify the incorrect statement among the following.

A

d-block elements show irregular and erratic chemical properties among themselves

B

La and Lu have partially filled d-orbitals and no other partially filled orbitals

C

The chemistry of various lanthanoids is very similar

D

4f and 5f-orbitals are equally shielded

Text Solution

Verified by Experts

The correct Answer is:
D
Due to size difference in `4f & 5f` orbital, they shows different screening effect.
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BANSAL-D AND F BLOCK ELEMENTS-Exercise-1 (Single Correct Choice Type)
  1. CrO(3) is a//an"….."

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  2. Which of the following is expected to have lowest magnetic moment-

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  3. Identify the incorrect statement among the following.

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  4. Which of the following ion has the maximum magnetic moment?

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  5. Transition elements are usually characterised by variable oxidation st...

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  6. In context with the transition elements, which of the following statem...

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  7. What is the general electronic configuration of transition elements

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  8. Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 ...

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  9. The highest oxidation state achieved by trantion metal is given by -

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  10. In context of the lanthanoids, which of the following statements is no...

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  11. The equilibrium Cr(2)O(7)^(2-)hArr 2CrO(4)^(2-)

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  12. When the same amount of Zn is treated with excess of H(2)SO(4) and exc...

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  13. (NH(4))(2)Cr(2)O(7)( Ammonium dichromate ) is used in fire works. The ...

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  14. The d-block elements which is a liquid at room temperature, having hig...

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  15. Coinage metals show the properties of

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  16. Cr(2)O(7)^(2-)underset(Y)overset(X)hArr 2CrO(4)^(2-)X and Y are respec...

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  17. CrO(3) dissolves in aqueous NaOH to give:

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  18. An ornament of gold having 75% of gold, is of carat.

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  19. Solution of MnO(4)^(-) is purple-coloured due to :

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  20. Transition elements having more tendency to form complex than represen...

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