Which one of the following is the correct IUPAC name of the given coordination compound?
[Co(en)₃]³+
tris(ethane-1,2-diamine) Cobaltate(III)
tris(ethane-1,2-diamine) Cobalt(III) ion
tri(ethane-1,2-diamine) Cobalt(III) ion
tris(ethane-1,3-diamine) Cobalt (III) ion