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The actinoids exhibit, more member of ox...

The actinoids exhibit, more member of oxidation states in general than the lanthanoids. This is because

A

the actinides are more reactive than the lanthanides

B

the `5f`-orbits are more buried than the `4f`-orbits

C

there is a similarity between `4f`and `5f`-orbits in their angular part of the wave function.

D

the `5f`-orbits extend farther from the nucleus than the `4f`-orbitals.

Text Solution

Verified by Experts

The correct Answer is:
D
The wide range of oxidation state of actionids is due to the fact that the `5f, 6d` and `7s` energy levels are of comparable energies and all these three subshells can participated in comparsion to lanthanoid. The `5f` orbitals extend father from the nucleus than the `4f` orbitals.
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Knowledge Check

  • The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because

    A
    the 5f orbitals are more buried than the 4f orbitals
    B
    there is a similarly between 4f and 5f orbitals in their angular part of the wave function
    C
    the actinoids are more reactive than the lanthanoids
    D
    the 5f orbitals extend farther from the nucleus than the 4f orbitals

  • The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because

    A
    the 5f orbitals extend further from the nucleus than the 4f orbitals
    B
    the 5f orbitals are more buried than the 4f orbitals
    C
    there is a similarity between 4f and 5f orbitals in their angular part of the wave function
    D
    the actinoids are more reactive than the lanthanoids.

  • The actinoids exhibit more number of oxidation states, greater than the lanthanoids. This is because____________.

    A
    the 5f orbitals are more buried than the 4f orbitals
    B
    there is similarity between 4f and 5f orbitals in their angular part of the wave function
    C
    the actinoids are more reactive than the lanthanoids
    D
    the 5f orbitals extend further from the nucleus than the 4f orbitals

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