When $1 \ mol$ of the complex $Co(NH_3)_5Cl_3$ is dissolved in water,it yields $3 \ mol$ of ions. When $1 \ mol$ of the same complex reacts with $2 \ mol$ of $AgNO_3$,it produces $2 \ mol$ of $AgCl_{(s)}$. What is the structure of this complex?

  • A
    $[Co(NH_3)_3Cl_2] \cdot 2NH_3$
  • B
    $[Co(NH_3)_4Cl_2]Cl \cdot NH_3$
  • C
    $[Co(NH_3)_5Cl]Cl_2$
  • D
    $[Co(NH_3)_4Cl]Cl_2 \cdot NH_3$

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