The CFSE for [CoCl6]^4- complex is 18000 cm^-1. The for [CoCl4]^2- will be : | Coordination Compounds — Chem-Mantra

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Question

The CFSE for [CoCl6]^4- complex is 18000 cm^-1. The $\Delta$ for [CoCl4]^2- will be :

Answer: C

💡 Solution & Explanation

$\Delta_t = \frac{4}{9} \Delta_o = \frac{4}{9} \times 18000 \text{ cm}^{-1} = 8000 \text{ cm}^{-1}$.

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