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Which of the following oxidation states ...

Which of the following oxidation states is the most common among the lanthanoids ?

A

4

B

2

C

5

D

3

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The correct Answer is:
D
Factual.
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Which of the following oxidation state si common for all lanthanoids?

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ERRORLESS-THE d-AND f- BLOCK ELEMENTS -Past Years Questions
  1. Mercury is the only metal which is liquid at 0^@C this is due to its

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  2. Lanthanoids are

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  3. Which of the following oxidation states is the most common among the l...

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  4. Identify the incorrect statement among the following

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

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  6. Lanthanide for which +II and +III oxidation states are common is

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

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  8. Which of the following lanthanoid ions is diamagnetic ? (At nos . Ce...

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  9. Which one of the following statements related to lanthanons is incorre...

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  10. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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

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

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  13. Reacttion between the following pairs will produce H(2) except

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  14. Which of the following compounds is coloured

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  15. Which of the following compounds is not coloured ?

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  16. The nitrate of which metal left globule on heating strongly

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  17. K(2)Cr(2)O(7) on heating with aqueous NaOH gives

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  18. Acidified K(2)Cr(2)O(7) solution turns green when NasO(3) is added to ...

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  19. Which one of the following statements is correct when SO(2) is passed ...

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  20. Which of the statements is not true ?

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