The cation is sodium ion and the anion is the complex ion. The ligands present are ammine, bromo, chloro, and nitro\(-N\). Here \(N\) represents that the nitro group coordinates through the \(N\) atom. The names of the ligands are written in the alphabetical order. The oxidation state of platinum is \(+2\). The oxidation state is written in Roman numerals inside the parenthesis.
(જ્યાં, $AA-$ સમમિતિય દ્વિદંતીય લિગાન્ડ અને $a,b,c,d,e-$ એકદંતીય લિગાન્ડ)
$(i)\, Pt(SCN)_2 · 3PEt_3$
$(ii)\, CoBr · SO_4 · 5NH_3$
$(iii)\, FeCl_3 · 6H_2O$