Among [Ni(CO) 4 ], [Ni(CN) 4 ] 2– and [NiCl 4 ] 2–

Chemistry · JEE Main · NTA Exams — Coordination Compounds

1. [Ni(CO)₄] and [Ni(Cl)₄]^2– are diamagnetic and [Ni(CN)₄]^2– is paramagnetic
2. [NiCl₄]^2– and [Ni(CN)₄]^2– are diamagnetic and [Ni(CO)₄] is paramagnetic
3. [Ni(CO)₄] and [Ni(CN)₄]^2– are diamagnetic and [NiCl₄]^2– is paramagnetic
4. [Ni(CO)₄] is diamagnetic and [NiCl₄]^2– and [Ni(CN)₄]^2– are paramagnetic.

Answer

(C) [Ni(CO) 4 ] and [Ni(CN) 4 ] 2– are diamagnetic and [NiCl 4 ] 2– is paramagnetic

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