Absorbance (b) -490 nm x=20 300 CIT 400 500 670 λ/nm 25 20 15 / 10 cm-¹ Figure 1 UV-vis absorption spectrum of [Ti(OH2)6]³+. (a) Figure 1 shows the UV-vis absorption spectrum of [Ti(OH₂)6]³+. The band shown in the figure is not symmetric and suggests that more than one state is involved. Explain this observation using the Jahn-Teller effect. Chromium is a member of group 6 of the transition metals. Chromium complexes most commonly exist in +3 and +6 oxidation states. Discuss why the solutions of [Cr(H₂O)6]³+ and [CrO4]2- have a pale green and intense yellow, respectively. 16 markol

Absorbance (b) -490 nm x=20 300 CIT 400 500 670 λ/nm 25 20 15 / 10 cm-¹ Figure 1 UV-vis absorption spectrum of [Ti(OH2)6]³+. (a) Figure 1 shows the UV-vis absorption spectrum of [Ti(OH₂)6]³+. The band shown in the figure is not symmetric and suggests that more than one state is involved. Explain this observation using the Jahn-Teller effect. Chromium is a member of group 6 of the transition metals. Chromium complexes most commonly exist in +3 and +6 oxidation states. Discuss why the solutions of [Cr(H₂O)6]³+ and [CrO4]2- have a pale green and intense yellow, respectively. 16 markol

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds

Section: Chapter Questions

Problem 105QRT

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