JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
\(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\) and \(\left[\mathrm{CoF}_6\right]^{3-}\) are respectively known as _______.
- A Spin free Complex, Spin paired Complex
- B Spin paired Complex, Spin free Complex
- C Outer orbital Complex, Inner orbital Complex
- D Inner orbital Complex, Spin paired Complex
Answer & Solution
Correct Answer
(B) Spin paired Complex, Spin free Complex
Step-by-step Solution
Detailed explanation
\({\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}}\) \(\mathrm{Co}^{3+}(\text { strong field ligand }) \Rightarrow 3 \mathrm{~d}^6\left(\mathrm{t}_{2 \mathrm{~g}}^6, \mathrm{e}_{\mathrm{g}}^0\right),\) Hybridisation : \(d^2 \mathrm{sp}^3\) Inner obital complex (spin…
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