Practicing Success
Which of the following name is correct? |
[Cu(H2O) (NH3)] Br2; Amminoaquodibromocopper (I) Na3[Al(C2O4)3]; Trisodium trioxalatoaluminate (III) Na2[Ni(EDTA)]; Sodium ethylenediaminetetraacetato nickelate (II) [Co(NH3)5ONO] SO4 ; Pentaamminenitrocobalt (III) sulphate |
Na2[Ni(EDTA)]; Sodium ethylenediaminetetraacetato nickelate (II) |
The correct name among the given options is: (3) Na2[Ni(EDTA)]; Sodium ethylenediaminetetraacetato nickelate (II) (a) [Cu(H2O)(NH3)]Br2; Amminoaquodibromocopper (I) - This name is incorrect because it doesn't follow the proper naming conventions for coordination complexes. The correct name should be "Aquaamminebromocopper (I). (b) Na3[Al(C2O4)3]; Trisodium trioxalatoaluminate (III) - This name is incorrect. The correct name is: Na3[Al(C2O4)3]; Sodium trisoxalatoaluminate(III). The ligand in this complex is oxalate \(C2O4^{2-}\), and there are three oxalate ligands coordinated to the aluminum \(Al^3+\) ion. The oxidation state of aluminum is III. The prefix "tris" indicates three oxalate ligands, and "sodium" denotes that the complex has three sodium (Na+) ions as counterions. (c) Na2[Ni(EDTA)]; Sodium ethylenediaminetetraacetato nickelate (II) - This name is correct. It properly describes the complex with its ligands (EDTA), the metal (nickelate), and its oxidation state (II). |