17. Which one of the following metal complexes has the slowest water exchange rate?(A)[Cr(H₂O)₆]³⁺(B)[V(H₂O)₆]³⁺(C)[Mn(H₂O)₆]³⁺(D)[Na(H₂O)₆]⁺(E)[Ca(H₂O)₆]²⁺

17. Which one of the following metal complexes has the slowest water exchange rate?
(A)[Cr(H₂O)₆]³⁺
(B)[V(H₂O)₆]³⁺
(C)[Mn(H₂O)₆]³⁺
(D)[Na(H₂O)₆]⁺
(E)[Ca(H₂O)₆]²⁺

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B1 · 2026/10/01

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這題在考什麼觀念本題測驗的是配位化學中...

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20. There are three aqueous solutions of the complex ions: [Co(NH₃)₆]³⁺, [Co(CN)₆]³⁻ and [CoF₆]³⁻. The wavelengths of absorbed light for these solutions are 770 nm, 440 nm, and 290 nm. Please match the complex ion to the wavelength of absorbed light.(A)[Co(NH₃)₆]³⁺: 770 nm; [Co(CN)₆]³⁻: 440 nm; [CoF₆]³⁻: 290 nm.(B)[Co(NH₃)₆]³⁺: 440 nm; [Co(CN)₆]³⁻: 290 nm; [CoF₆]³⁻: 770 nm.(C)[Co(NH₃)₆]³⁺: 290 nm; [Co(CN)₆]³⁻: 440 nm; [CoF₆]³⁻: 770 nm.(D)[Co(NH₃)₆]³⁺: 440 nm; [Co(CN)₆]³⁻: 770 nm; [CoF₆]³⁻: 290 nm.(E)[Co(NH₃)₆]³⁺: 290 nm; [Co(CN)₆]³⁻: 770 nm; [CoF₆]³⁻: 440 nm.

17. Which one of the following metal complexes has the slowest water exchange rate?
(A)[Cr(H₂O)₆]³⁺
(B)[V(H₂O)₆]³⁺
(C)[Mn(H₂O)₆]³⁺
(D)[Na(H₂O)₆]⁺
(E)[Ca(H₂O)₆]²⁺

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