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It is observed that Ligand field stabilization energies are smaller for lanthanides as compared to transition metals in the same oxidation state. The main cause of this:
  • a)
    The size of Lanthanide ions are larger
  • b)
    The size of lanthanide ions are smaller
  • c)
    f orbitals interact less effectively with ligands
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?
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It is observed that Ligand field stabilization energies are smaller fo...
As 4f electrons have a poor shielding effect, these are not affected by the environment of ions. As a result, Ligand field stabilization energies are smaller for lanthanides s compared to transition metals in the same oxidation state.
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It is observed that Ligand field stabilization energies are smaller fo...

Explanation:

Size of Lanthanide ions:
- The size of lanthanide ions being larger or smaller does not directly affect the ligand field stabilization energy.
- The size of the lanthanide ions may affect the coordination number and geometry of the complex, but not the overall stabilization energy.

Size of Transition Metal ions:
- The size of transition metal ions is generally smaller compared to lanthanide ions.
- The smaller size of transition metal ions allows for stronger interactions with ligands, resulting in higher ligand field stabilization energies.

f Orbitals Interaction:
- The main reason for the smaller ligand field stabilization energies in lanthanides compared to transition metals is the nature of the f orbitals.
- Lanthanides have partially filled f orbitals, which are more diffuse and less directional compared to d orbitals of transition metals.
- The diffuse and less directional f orbitals interact less effectively with ligands, leading to lower ligand field stabilization energies in lanthanides.

Therefore, the correct answer is option 'c) f orbitals interact less effectively with ligands'.
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It is observed that Ligand field stabilization energies are smaller for lanthanides as compared to transition metals in the same oxidation state. The main cause of this:a)The size of Lanthanide ions are largerb)The size of lanthanide ions are smallerc)f orbitals interact less effectively with ligandsd)None of the aboveCorrect answer is option 'C'. Can you explain this answer?
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It is observed that Ligand field stabilization energies are smaller for lanthanides as compared to transition metals in the same oxidation state. The main cause of this:a)The size of Lanthanide ions are largerb)The size of lanthanide ions are smallerc)f orbitals interact less effectively with ligandsd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? for UGC NET 2024 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about It is observed that Ligand field stabilization energies are smaller for lanthanides as compared to transition metals in the same oxidation state. The main cause of this:a)The size of Lanthanide ions are largerb)The size of lanthanide ions are smallerc)f orbitals interact less effectively with ligandsd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for UGC NET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for It is observed that Ligand field stabilization energies are smaller for lanthanides as compared to transition metals in the same oxidation state. The main cause of this:a)The size of Lanthanide ions are largerb)The size of lanthanide ions are smallerc)f orbitals interact less effectively with ligandsd)None of the aboveCorrect answer is option 'C'. Can you explain this answer?.
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