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The Crystal Field Stabilization Energy (CFSE) for the octahedral complex is experimentally determineCoordination Compounds Chemistry Question

Question

The Crystal Field Stabilization Energy (CFSE) for the octahedral complex $[CoCl_6]^{4-}$ is experimentally determined to be $18000 \text{ cm}^{-1}$. Predict the CFSE for the tetrahedral complex $[CoCl_4]^{2-}$ in $\text{ cm}^{-1}$.

Answer: B

💡 Solution & Explanation

$\Delta_t = \frac{4}{9} \Delta_o$. Therefore, $\Delta_t = \frac{4}{9} \times 18000 = 8000 \text{ cm}^{-1}$ [44].

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