Multiple choice Which of the following coordination complexes is not correctly named? [Ni(NH3)4](ClO42: Tetraamminenickel(II) perchlorate [Au(CN)2]-: Dicyanoaurate(I) ion K3[Co(NO2)6]: Potassium hexanitrocobaltate(III) [Fe(H2O)6]3+: Hexaaquairon(III) ion Reveal answer Fill a bubble to check yourself D Correct answer Explanation Correct IUPAC name of [Pt(en)(ONO)Cl] is chloro(ethylenediamine)nitritoplatinum(II).