$2.\ [Cu(NH_3)_3Cl]. [PtCl_3(NH_3)]$
$3.\ [Cu(NH_3)_2Cl_2]. [Pt Cl_2(NH_3)_2]cis$
$4.\ [Cu(NH_3)_2Cl_2]. [Pt Cl_2(NH_3)_2]Trans$
$5.\ [Cu(NH_3)Cl_3]. [Pt(Cl)(NH_3)_3]$
$6.\ [Pt(NH_3)_4Cl].[Cu Cl_4]$
(પરમાણુ ક્રમાંક : $Ti = 22, Cr = 24, Co = 27, Zn = 30$)