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^-

Question

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

Quizplus · Accepted Answer

The complex with Cl^- ligands will have the smallest crystal field splitting energy, allowing it to absorb light in the red region of the visible spectrum, which corresponds to lower energy transitions.

Using the Following Abbreviated Spectrochemical Series,determine Which Complex Ion Is