No of ionizable & non-ionizable `Cl^(-)` ions in `CoCl_(3)5NH_(3)` representively are

In the compound CoCl_(3).5NH_(3) :

The complex CoCl_(3),3NH_(3) ionizes to give

Which of the following is non-ionizable-

Number of dative bonds in the complex CoCl_(3).5NH_(3) is

Number of dative bonds in the complex CoCl_(3).5NH_(3) is

Given the molecular of the hexacoordinated complexes is : (1)CoCl_(3).6NH_(3)" "(2)CoCl_(3).5NH_(3)" "(3)CoCl_(3).4NH_(3) If the number of co-ordinated NH_(3) molecules in (1),(2) and (3) respectively are (6),(5) and (4) , the primary valency in (1),(2) and (3) are :