AIEEE 2008 Solved Paper

Section: Chemistry

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Question : 24 of 104

Marks: +1, -0

Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being

[AIEEE 2008]

4f orbitals more diffused than the 5f orbitals
lesser energy difference between 5f and 6d than between 4f and 5d orbitals
more energy difference between 5f and 6d than between 4f and 5d orbitals
more reactive nature of the actinoids than the lanthanoids

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