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- Need clarity, kindly explain! Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being
Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being
- Option 1)
More reactive nature of the actinoids than the lanthanoids
- Option 2)
orbitals more diffused than the
orbitals
- Option 3)
Lesser energy difference between
than between
orbitals
- Option 4)
More energy difference between
Answers (1)
As we learnt in
Oxidation states -
The common oxidation state of lanthanoid is +3 low occasionally +2 and +4 ions in solution or in the solid compound are also obtained.
-
and
Oxidation states -
Ac shows +3 oxidation state generally but some Ac. Also, stable till +7 oxidation states.
-
Actinoids exhibits more number of oxidation state in general than the Lanthanoids. This is because of lesser energy difference between 5f and 6d than between 4f and 5d orbitals.
Option 1)
More reactive nature of the actinoids than the lanthanoids
This option is incorrect
Option 2)
orbitals more diffused than the
orbitals
This option is incorrect
Option 3)
Lesser energy difference between and
than between
and
orbitals
This option is correct
Option 4)
More energy difference between and
than between
and
orbitals
This option is incorrect
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