JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
Which one of the following complexes will have \(\Delta_0=0\) and \(\mu=5.96\) B.M.?
- A \(\left[\mathrm{Fe}(\mathrm{CN})_6\right]^4\)
- B \(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_6\right]^{3+}\)
- C \(\left[\mathrm{FeF}_6\right]^4\)
- D \(\left[\mathrm{Mn}(\mathrm{SCN})_6\right]^4\)
Answer & Solution
Correct Answer
(D) \(\left[\mathrm{Mn}(\mathrm{SCN})_6\right]^4\)
Step-by-step Solution
Detailed explanation
(1) \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+} \quad \mathrm{Co}^{3+} \Rightarrow 3 \mathrm{~d}^6 4 \mathrm{~s}^0\) \(=[-0.4 \times 6+0.6 \times(0)] \Delta_0=-2.4 \Delta_0\) (2)…
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