Using the Following Abbreviated Spectrochemical Series, Determine Which Complex Ion

question 56

Multiple Choice

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl^- < H₂O < NH₃ < CN^- large splitting

• A)[CuCl₄]^2-
• B)[Cu(H₂O)₄]²⁺
• C)[Cu(NH₃)₄]²⁺
• D)[Cu(CN)₄]^2-
• E)not enough information given to determine

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