GKFix MCQ Question

Which complex has the highest electrical conductivity in solution?

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