Which of the following complex ions/molecules of nickel is paramagnetic?

Chemistry · JEE Main · NTA Exams — Coordination Compounds

1. [Ni(NH₃)₄]²⁺
2. Ni(dimethylglyoxime)₂
3. [Ni(CO)₄]
4. None of these

Answer

(A) [Ni(NH 3 ) 4 ] 2+

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