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easyMCQNEET (UG) 20172026Chemistry
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The reason for greater range of oxidation states in actinoids is attributed to:

  1. A
    Actinoid contraction
  2. B
    and levels having comparable energies
  3. C
    and levels being close in energies
  4. D
    The radioactive nature of actinoids

Solution & Step-by-step Explanation

Actinoids show a wider range of oxidation states (up to ) compared to lanthanoids because the energy difference between the , and subshells is very small. This allows electrons from all these shells to participate in bond formation.

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The reason for greater range of oxidation states in actinoids is attributed to:
A
Actinoid contraction
B
and levels having comparable energies
C
and levels being close in energies
D
The radioactive nature of actinoids

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d- and f-Block ElementsActinoidsOxidation States

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