A complex has empirical formula, `PtCl_(2).2 NH_(3)`. When mixed with `AgNO_(3)`, it gives `[Pt(NH_(3))_(4)(NO_(3))_(2)]` and an insoluble slid `Ag_(2)[PtCl_(4)]` was also obtained. Name and mention the structure of the complex.

Explanation

`2 PtCl_(2).2 NH_(3)+2 AgNO_(3)rarr[Pt(NH_(3))_(4)(NO_(3))_(2)]+Ag_(2)[PtCl_(4)]`
On reaction with `AgNO_(3)`, no AgCl is formed as `Cl^(-)` ions are present as ligands in the complex `Ag_(2)[PtCl_(4)]`. Hence, the given complex must be
`[PtCl_(2)(NH_(3))_(2)] or [Pt(NH_(3))_(4)][PtCl_(4)]`
In the first case, molecular formula is same as empirical formula.
IUPAC name of `[PtCl_(2)(NH_(3))_(2)]` = diammine dichloridoplatinum (II).
In the second case, molecular formula is double of empirical formula.
IUPAC name of `[Pt(NH_(3))_(4)][PtCl_(4)]`= tetraammine platinum (II) tetraachloridoplatinate (II).