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Which of the following exhibits only +3 ...

Which of the following exhibits only +3 oxidation state?

A

ac

B

Pa

C

U

D

Th

Text Solution

Verified by Experts

`Ac( 6d^(1) 7s^(2))` shows only `+3` oxidation state
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PRADEEP-D- AND F-BLOCK ELEMENTS-COMPETITIONS FOCUS
  1. The atomic number of cerium (Ce) is 58. The correct electronic con...

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  2. The electronic configuration of Gd^(2+)is :

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  3. Which of the following exhibits only +3 oxidation state?

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  4. Lanthanide contraction is observed in:

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  5. Because of lanthnoid contraction, which of the following pairs of elem...

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  6. The correct order of ionic radii Y^(3+) , La^(3+) , Eu^(3+) and Lu^(3+...

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  7. The correct order of ionic radii of Ce, La, Pm and Yb in +3 oxidation ...

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  8. Identify the incorrect statement among the following:

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

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  10. Among the following lanthanoid ions, the paramagnetic ion is

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  11. Consider the following statement in respect of Lantinanoids : (i) Th...

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

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  13. Consider the following statements: (I) La(OH)(3) is the least b...

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  14. Which is not the correct statement about the chemistry of 3d and 4f se...

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  15. Which of the following elements shows maximum number of different oxid...

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  16. Which of the following is not an actinoid ?

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  17. Among the following pairs the maximum, oxidation states is shown by

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

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  19. The reason for greater range of oxidation state in actinoids is attrib...

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  20. Reason of lanthanoid contraction is

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