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The lanthanum exhibits which of the foll...

The lanthanum exhibits which of the following oxidation state ?

A

only `+2`

B

`+2 and +3`

C

only `+3`

D

only `+3 and +4`

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. Samarium shows the oxidation state

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  2. Lanthanide do not show oxidation state

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  3. The lanthanum exhibits which of the following oxidation state ?

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  4. Lanthanides are able to show oxidation states

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  5. 4f^(0) , 5d^(0) 6s^(0) represents which one of the following

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  6. Gd^(+3) ions has electronic configuration

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  7. 4f^(14) 5d^(0) 6s^(0) represents which of the followig ?

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  8. Which of the following M^(2+) ions have stable configuration ?

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  9. Which lanthanoid deiposite ions has strong tendency of donation electr...

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  10. The most basic hydroxide is

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  11. Which of the M^(4+) ion has more tendency to gain single electron ?

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  12. The lanthanoide which shows all i.e., +2,+3 and +4 oxidation state is

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  13. The lanthanoide ion used as oxidizing agent is

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  14. Tb ^(+4) has electronic configuration 4f ^(7) 5d ^(0) 6s ^(0). Because...

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  15. What is the correct order of basicity of hydroxide ?

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  16. Eu^(2+) ion has strong tendency to

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  17. The lanthanoide ion with e.c. 4 f^(14) 5d ^(0) 6s^(0) has tendecny to

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  18. Actinides exhibits oxidation state

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  19. 4f^(2) 5d^(0) 6s^(0) is the electronic configuration of lanthanoide io...

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  20. Which of the following M^(2+) is not a stable oxidation state ?

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