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D and F Block Elements question

2011 · Shift 0 · Q19
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D and F Block Elements question

2011 · Shift 0 · Q19

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
In context of the lanthanoids, which of the following statements is not correct?
  1. A
    All the members exhibit +3 oxidation state
  2. B
    Because of similar properties the separation of lanthanoids is not easy.
  3. C
    Availability of 4f electrons results in the formation of compounds in +4 state for all the members of the series.
  4. D
    There is a gradual decrease in the radii of the members with increasing atomic number in the series.
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