GKFix MCQ Question

Which complex gives 2 moles of AgCl upon reaction with AgNO₃?

• A. [Co(NH₃)₆]Cl₃
• B. [CoCl₂(NH₃)₄]Cl
• C. [CoCl(NH₃)₅]Cl₂
• D. [PtCl₄]²⁻