The actinoids exhibit more number of oxidation states in general than the lanthanoids…
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because
- The 5f orbitals extend further from the nucleus than the 4f orbitals
- The 5f orbitals are more buried than the 4f orbitals
- There is a similarity between 4f and 5f orbitals in their angular part of the wave function
- The actinoids are more reactive than the lanthanoids.
Answer
(A) The 5f orbitals extend further from the nucleus than the 4f orbitals
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