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Chapter 5: Coordination Compounds · CHEMISTRY · EN medium
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(g) Oxidation number of central atom The oxidation number of the central atom in a complex is defined as the charge it would carry if all the ligands are removed along with the electron pairs that are shared with the central atom. The oxidation number is represented by a Roman numeral in parenthesis following the name of the coordination entity. For example, oxidation number of copper in [Cu(CN) ] – is + and it is written as Cu(I). ( h ) Homoleptic and heteroleptic complexes Complexes in which a metal is bound to only one kind of donor groups, e.g. , [Co(NH ) ] + , are known as homoleptic. Complexes in which a metal is bound to more than one kind of donor groups,
📖 ncert books class 12 chemistry chapter 5 · Page 5
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(g) Oxidation number of central atom The oxidation number of the central atom in a complex is defined as the charge it would carry if all the ligands are removed along with the electron pairs that are shared with the central atom. The oxidation number is represented by a Roman numeral in parenthesis following the name of the coordination entity. For example, oxidation number of copper in [Cu(CN) ] – is + and it is written as Cu(I). ( h ) Homoleptic and heteroleptic complexes Complexes in which a metal is bound to only one kind of donor groups, e.g.
, [Co(NH ) ] + , are known as homoleptic. Complexes in which a metal is bound to more than one kind of donor groups,
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