What is the number of ions produced by $[Pt(NH_3)_4Cl_2]Cl_2$ in an aqueous solution?

Define the following terms:
$1$. Coordination entity
$2$. Central metal ion

The coordination number of a metal in coordination compounds is

Number of ions present in $K_4[Fe(CN)_6]$

Excess of silver nitrate solution is added to $100 \ mL$ of $0.01 \ M$ pentaaqua chloro chromium $(III)$ chloride solution. The mass of silver chloride obtained in grams is [Atomic mass of silver is $108$].

Which one of the following complexes will consume more equivalents of aqueous solution of $AgNO_3$?