Which of the following octahedral complex ions is diamagnetic ?

Chemistry · JEE Main · NTA Exams — Coordination Compounds

1. [Cr(CO)₆]
2. [Mn(CN)₆]^4–
3. [Ni(NH₃)₆]²⁺
4. [CoF₆]^3–

Answer

(A) [Cr(CO) 6 ]

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