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Because of lanthanoid contraction :...

Because of lanthanoid contraction :

A

separation of the elements is possible

B

there is a very small difference in the atomic size of the transition metals of 5th and 6th period and present in the same group.

C

there is a gradual decrease in the basic strengths of the hydroxides of lanthanoids

D

All are correct.

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The correct Answer is:
D
all the statements are correct.
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-JEE (Main ) & other engineering entrance examination
  1. Cerium (Z= 58) is an important nember of the lanthanoids . Which of th...

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  2. Lanthanoid contraction means :

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  3. Because of lanthanoid contraction :

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

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  5. The most common oxidation state of lanthanoids are :

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  6. Transition metals show variable oxidation states because of :

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

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

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

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

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

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

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  13. Identify the incorrect statement among the following.

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

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

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

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

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

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

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

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