(a) UV/Vis spectra of [Mn(H2O)]*, [Co(H2O)%]**, and [CoCla are dominated by transitions that have molar extinction coefficients (e) of <10, 10', and >10 M cm, respectively. Rationalise these observations with reference to the electronic configurations of the transition metal ions, the types of transitions involved, and the selection rules for electronic transitions. (b) Dissolving CrCls in water gives the (Cr(H2O)J" ion in solution, (i) Sketch a crystal field splitting diagram for [Cr(H:O), and give the ground state configuration for the chromium ion. (ii) Determine the ground state term symbol for the chromium ion in [Cr(H,O)]". (iii) Determine the term symbols for any excited states to which there are spin-allowed

(a) UV/Vis spectra of [Mn(H2O)]*, [Co(H2O)%]**, and [CoCla are dominated by transitions that have molar extinction coefficients (e) of <10, 10', and >10 M cm, respectively. Rationalise these observations with reference to the electronic configurations of the transition metal ions, the types of transitions involved, and the selection rules for electronic transitions. (b) Dissolving CrCls in water gives the (Cr(H2O)J" ion in solution, (i) Sketch a crystal field splitting diagram for [Cr(H:O), and give the ground state configuration for the chromium ion. (ii) Determine the ground state term symbol for the chromium ion in [Cr(H,O)]". (iii) Determine the term symbols for any excited states to which there are spin-allowed

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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General questions regarding Crystal Field Theory. Use Crystal Field Splitting Diagrams as necessary. a) Identify M (metal) that meets the requirements given - and briefly justify your answer. M(CN)6 with CFSE = 1.2Ao, M is second-row transition metal. MBr having one unpaired electron, M is first-row transition metal. b) Fe(H2O)6* is paramagnetic whereas Os(H2O)6* is diamagnetic. Account for this observation.
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