GKFix MCQ Question

Which of the following is a coordination isomer of [Co(NH₃)₆][Cr(CN)₆]?

• A. [Co(NH₃)₅Cl][Cr(CN)₆]
• B. [Cr(CN)₆][Co(NH₃)₆]
• C. [Cr(NH₃)₆][Co(CN)₆]
• D. [Co(NH₃)₆][Cr(CN)₅Cl]