The correct statement among the following is : (A) [Ni(CN)4] 2– and [NiCl4] 2– are diamagnetic and Ni(CO)4 is paramagnetic. (B) Ni(CO)4 and [NiCl4] 2– are diamagnetic and [Ni(CN)4] 2– is paramagnetic.

Question

The correct statement among the following is :

(A) [Ni(CN)4] 2– and [NiCl4] 2– are diamagnetic and Ni(CO)4 is paramagnetic.
(B) Ni(CO)4 and [NiCl4] 2– are diamagnetic and [Ni(CN)4] 2– is paramagnetic.
(C) Ni(CO)4 and [Ni(CN)4] 2–are diamagnetic and [NiCl4] 2– is paramagnetic.
(D) Ni(CO)4 is diamagnetic and [NiCl4] 2– and [Ni(CN)4] 2– are paramagnetic.

Prashant Kotian · Accepted Answer

Correct answer: C. [Ni(CN)4] 2– 3d 8 diamagnetic dsp [Ni(CO)4] 3d 10 diamagnetic sp [NiCl4] 2–3d 8 2,2 e 2,1,1 2t sp 3 paramagnetic. SECTION-B

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