Ni (CN₄)²⁻ and Ni (Cl₄)²⁻ complex ions are : · ABC26IN0984
Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Coordination Chemistry – General · Exam: CSIR NET JUNE 2011 · Marks: 2 · Difficulty: Easy
$\mathrm{Ni}\left(\mathrm{CN}_{4}\right)^{2-}$ and $\mathrm{Ni}\left(\mathrm{Cl}_{4}\right)^{2-}$ complex ions are :
(a)Both diamagnetic.
(b)Both paramagnetic
(c)Diamagnetic and paramagnetic respectively
(d)Antiferromagnetic and diamagnetic respectively
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
[Ni(CN)₄]²⁻ is square planar d⁸ — diamagnetic; [NiCl₄]²⁻ is tetrahedral with two unpaired electrons — paramagnetic.
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