On which factors does the stability of an oxidation state in Lanthanoid elements depend?

  • A
    Internal energy
  • B
    Enthalpy
  • C
    Electronic configuration
  • D
    Combined effect of hydration energy and ionization energy

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Similar Questions

Assertion : Europium $(II)$ is more stable than cerium $(II)$.
Reason : Cerium salts are used as catalyst in petroleum cracking.

Describe the atomic and ionic radii of lanthanoids and explain lanthanoid contraction.

Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

Which actinoid from the following in its $+3$ state has the largest size?

Arrange $Ce^{+3}, La^{+3}, Pm^{+3}$ and $Yb^{+3}$ in increasing order of their ionic radii.

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