Examples on Naming of Co-ordination Compounds

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]

(iii) Na3[FeCl.(CN)5]

(iv) K3[CoF6]

Illustration 2:Write the IUPAC names of following compounds?

(i) [CoBr(NH3)5]SO4

(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]

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