4 public questions tagged with this topic.
[MnCl₄]2− (Mn₂+, d5) in a tetrahedral field with weak field Cl− is high spin (e2 t23), with 5 unpaired electrons.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Nomenclature of Coordination Compounds
From the spectrochemical series (Cl− < F− < NH₃ < CN−), CN− is the strongest field ligand, causing the largest Δt.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Crystal Field Theory - CFT and Crystal Field Splitting and CFSE
Δt = (4/9)Δo for the same metal and ligands.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Crystal Field Theory - CFT and Crystal Field Splitting and CFSE
Ni₂+ (d8) in a tetrahedral field (e.g., [NiCl₄]2−) with weak field Cl− has e4 t24, 2 unpaired electrons, making it paramagnetic.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Colour and Magnetic Properties and Stability and Importance
