IUPAC name of the complex `[Cu(NH_(3))_(4)]SO_(4)` is

The IUPAC name of the complex [Co(NH_(3))_(4)Cl_(2)]Cl is

The complex [Cu(NH_(3))_(4)]^(2+) is :

The IUPAC name of the complex [Co(SO_(4))(NH_(3))_(4)]NO_(3) is :

Write the IUPAC name of the complex [Cr(NH_(3))_(4)Cl_(2)]^(+) . What type of isomerism does it exhibit ?

Write the IUPAC name of the complex [Cr(NH_(3))_(4)Cl_(2)]^(+) . What type of isomerism does it exhibit?