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Consider that d6 metal ion (M2+) forms a complex with aqua ligands, and the spin only magnetic moment of the complex is 4.90 BM. The geometry and the crystal field stabilization energy of the complex is :
Option: 1 octahedral and -2.4\Delta _{0}+2P
Option: 2 tetrahedral and -0.6 \Delta_{\mathrm{t}}
Option: 3 octahedral and -1.6\Delta _{0}
Option: 4 tetrahedral and -1.6\Delta _{t}+1P

Answers (1)

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If spin only magnetic moment of the complex is 4.90 BM, it means number of unpaired electrons should be 4.

 

Option matching: \text { tetrahedral and }-0.6 \Delta_{\mathrm{t}}

Therefore, Option 2 is correct.

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Kuldeep Maurya

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