How many ions are produced in the solution of $[Pt(NH_3)_6]Cl_4$?

Identify the heteroleptic complex from the following.

Identify the cationic complex from the following.

Addition of excess of $AgNO_3$ to an aqueous solution of $1$ mole of $PdCl_2 \cdot 4 NH_3$ gives $2$ moles of $AgCl$. The conductivity of this solution corresponds to

The coordination number of copper in cuprammonium sulphate is

What is the coordination number of $Pt$ in cisplatin?