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Lanthanoid contraction means :...

Lanthanoid contraction means :

A

small atomic sizes of lanthanoid elements

B

small ionic size of lanthanoid ions.

C

smaller atomic size of lanthanoids as compared to transition element in the same period

D

decrease in atomic and ionic radii of the element of lanthanoid series in moving from left to the right.

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D
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-JEE (Main ) & other engineering entrance examination
  1. The atomic number of V,Cr, Mn and Fe are respectively 23,24,25 and 26....

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  2. Cerium (Z= 58) is an important nember of the lanthanoids . Which of th...

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  3. Lanthanoid contraction means :

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  4. Because of lanthanoid contraction :

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  5. Which is not the chracteristics of the transition metals ?

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  6. The most common oxidation state of lanthanoids are :

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  7. Transition metals show variable oxidation states because of :

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  8. On adding NaOH solution to the aqueous solution of K(2)Cr(2)O(7), the ...

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  9. Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of the...

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  10. When KMnO(4) acts as an oxidising agnet and ultimetely from MnO(4)^(2-...

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  11. The radius of La^(+) (at no 57) is 1.06Å. What may be the radius of Lu...

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  12. What happen when a solution of potassium chromate is treated with an e...

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  13. The oxidation state of chrominium in the final product formed in the r...

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  14. Identify the incorrect statement among the following.

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  15. The spin-only magnetic moment [in units of Bohr magneton, (mu(B) of Ni...

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  16. The actinoids exhibit more number of oxidation states in general than ...

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  17. Amount of oxalic acid present in a solution can be determined by its t...

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

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  19. Mark the correct statement (s). (1) Manganese exhibits +7 oxidation...

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  20. The correct order of E(M^(2+)//M)^(@) Values with negative sign for th...

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