Solved Examples on naming of Co-ordination Compounds
Example:
Iron – Ferrate Silver – Agrenate
Copper – Cuprate Gold – Aurate
Head – Plambate Tin – Stannat
Illustration 1:
Write down the molecular formulae of the following co-ordination compounds.
(i) Hexaammine iron (III) nitrate
(ii) Ammonium tetrachlorocuprate (II)
(iii) Sodium monochloropentacyanoferrate (III)
(iv) Potassium hexafluorocabaltate (III)
Solution:
(i) [Fe(NH3)6](NO3)3
(ii) (NH4)2[CuCl4]
(iv) K3[CoF6]
Illustration 2:Write the IUPAC names of following compounds?
(ii) [Fe(NH3)6][Cr(CN)6]
(iii) [Co(SO4)(NH3)5]+
(iv) [Fe(OH)(H2O)5]2+
Solution:
(i) pentaamminebromocobalt (III) sulphate
(ii) hexaammineiron (III) hexacyanochromate (III)
(iii) pentaammine sulphate cobalt (III) ion
(iv) pentaaquahydroxoiron (III) ion
Exercise 1:Write down the IUPAC name of the following complex:
(a)
[Cu(NH3)3(H2O)3]Cl3 (b) [Pt(NH3)5Cl]Br3
(c)
[Pt(H2NCH2CH2NH2)2Cl2]Cl2 (d) [Co(H2NCH2CH2NH2)3](SO4)3
(e)
K4[Fe(CN)6] (f) Na2[NiCl4]
(g) Pt(NH3)2Cl4
(h) Fe(Co)5
(i)
(NH4)[Ni(C2O4)2(H2O)2] (j) [Ag(NH3)2][Ag(CN)2]