TS EAMCET · Chemistry · Coordination Compounds
Which of the following will have a spin only magnetic moment of 2.86 BM ?
- A \(\left[\mathrm{CoF}_6\right]^{3-}\)
- B \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\)
- C \(\left[\mathrm{NiCl}_4\right]^2\)
- D \(\left[\mathrm{Ni}(\mathrm{CN})_4\right]^2\)
Answer & Solution
Correct Answer
(C) \(\left[\mathrm{NiCl}_4\right]^2\)
Step-by-step Solution
Detailed explanation
Nickel is in +2 oxidation state in the paramagnetic tetrahedral complex. \(\left[\mathrm{NiCl}_4\right]^{2-}\) and the ion has the electronic configuration \(3 \mathrm{~d}^8\). \(\mathrm{Ni}^{+2}=\left(3 \mathrm{~d}^8\right)=\)…
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