Q64 · CSIR NET Chemistry, June 2011
Paper: CSIR NET June 2011 · Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Crystal Field Theory · Marks: 2 · Difficulty: Easy
According To Crystal Field Theory, $\mathrm{Ni}^{2+}$ can two have unpaired electrons in
(a)Octahedral geometry only
(b)Square planar geometry only
(c)Tetrahedral geometry only
(d)Both octahedral and tetrahedral geometry
Answer
Answer: D ✓ checked by 4AB · confidence high
The source book printed C; on checking, D is correct — see the explanation.
Book printed (c).
Explanation
d⁸ Ni²⁺ has two unpaired electrons in both octahedral and tetrahedral geometry (d).
Study loop for Coordination Chemistry