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What is the difference between a weak field ligand and a strong field ligand?

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प्रश्न

What is the difference between a weak field ligand and a strong field ligand?

Explain the difference between a weak field ligand and a strong field ligand.

Write the difference between a strong field ligand and a weak field ligand.

अंतर स्पष्ट करें
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उत्तर

S.No. Weak Field Ligand Strong Field Ligand
1. A ligand that produces a small splitting of the d-orbitals in the central metal ion. A ligand that produces a large splitting of the d-orbitals in the central metal ion.
2. These are the ligands used in octahedral complexes in which the crystal field stabilization energy Δo is less than the pairing energy (P) in a single orbital. These are the ligands used in octahedral complexes in which the crystal field stabilization energy Δo is greater than the pairing energy (P).
3. Complexes formed by these ligands are also known as high-spin complexes. Complexes formed by these ligands are also known as low-spin complexes
4. The complexes formed are generally paramagnetic. The complexes formed are mostly diamagnetic or relatively less paramagnetic.
5. Examples of weak field ligands include I−, Br−, Cl−, and H2O. Examples of strong field ligands include NH3, CN−, Co.
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अध्याय 5: Coordinate Compounds - Exercises [पृष्ठ १३९]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 5 Coordinate Compounds
Exercises | Q 5.17 (ii) | पृष्ठ १३९
नूतन Chemistry [English] Class 12 ISC
अध्याय 5 Coordination Compounds
'NCERT TEXT-BOOK' Exercises | Q 9.17 (ii) | पृष्ठ ५५९

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