Primary and secondary valencies of Cu in ` [Cu(NH_3) _4 ]SO_4` is

The primary and secondary valencies of [CoCl_2(en)_2 [SO_4 are respectively ……………

The oxidation state of Cu in [Cu(NH_3)_4]SO_4 is:

The shape of [Cu(NH_3)_4]SO_4 is :-

The shape of [Cu(NH_(3))_(4)]SO_(4) ​ is :

According to Werner's theory, the primary valency and secondary valency in complex [Co(NH_3 )_4Cl_2]CI is respectively

Give IUPAC name of the [Cu(NH_3)_4]SO_4