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Ligands: ammine (NH₃), chlorido (Cl), alphabetically ordered. Neutral complex, Co is +3 (3 Cl− balanced by Co). Name: triamminetrichloridocobalt(III).
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Nomenclature of Coordination Compounds
In [Co(NH₃)4(en)]3+, 4 NH₃ provide 4 N atoms, and 1 en (bidentate) provides 2 N atoms. Total = 4 + 2 = 6.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Nomenclature of Coordination Compounds
Exchanging Br− and SO₄ 2− between coordination sphere and counter ion shows ionization isomerism.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
