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D and F Block Elements question

2010 · Q50
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D and F Block Elements question

2010 · Q50

NEETChemistryD and F Block ElementsMCQ+4 / −1
Which of the following oxidation states is the most common among the lanthanoids?
  1. A
    4
  2. B
    2
  3. C
    5
  4. D
    3
View written solutionFree

Correct answer: D

The common stable oxidation state of all the lanthanoids is +3. The oxidation state of +2 and +4 are also exhibited by some of the elements. These oxidation states are only stable in those cases where stable 4f0 , 4f7 or 4f14 configurations are achieved.

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