Tag: IUPAC

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Questions Related to IUPAC

Multiple choice IUPAC Ligands Coordination compound

Which one of the following is the correct IUPAC name of the given coordination compound?

[Co(en)₃]³+

  1. tris(ethane-1,2-diamine) Cobaltate(III)

  2. tris(ethane-1,2-diamine) Cobalt(III) ion

  3. tri(ethane-1,2-diamine) Cobalt(III) ion

  4. tris(ethane-1,3-diamine) Cobalt (III) ion
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ligand ethane-1,2-diamine is a neutral bidentate ligand. Since there are three of them, the prefix 'tris' is used, and the complex is a cation, so the metal name remains Cobalt.