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NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
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The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because
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Correct option: D
The -orbitals extend further from the nucleus than the -orbitals.
Option D (The -orbitals extend further from the nucleus than the -orbitals) is correct because the greater extension of 5f orbitals in actinoids allows for more effective shielding and participation in bonding, leading to variable oxidation states.
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