The Octahedral Complex [Co(H₂O)₆]³⁺ Has an Absorption at 549 Nm

question 22

Multiple Choice

The octahedral complex [Co(H₂O) ₆]³⁺ has an absorption at 549 nm. Based on this where do you think the absorption will be for [Co(NH₃) ₆]³⁺ might be?

• A) 590 nm
• B) 437 nm
• C) 549 nm
• D) It won't have an absorption because it will be a high spin complex.
• E) There is no way to predict.

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