lon A (nm) lon A (nm) [Cr(H,O),J** [Cr(CN)6J³- [Fe(H2O)J²+ [Fe(H,O)6]** [Co(NH3)6]³+ [Rh(NH3)6J3+ 562 966 3+ 381 730 735 405 [Cr(NH3)6J³* [Ir(NH3)6]³ 462 295 13+ 244

lon A (nm) lon A (nm) [Cr(H,O),J [Cr(CN)6J³- [Fe(H2O)J²+ [Fe(H,O)6] [Co(NH3)6]³+ [Rh(NH3)6J3+ 562 966 3+ 381 730 735 405 [Cr(NH3)6J³* [Ir(NH3)6]³ 462 295 13+ 244

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter19: Complex Ions

Section: Chapter Questions

Problem 39QAP

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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

Question

The extent of crystal field splitting is often determined from spectra. (a) Given the wavelength (λ) of maximum absorption,find the crystal field splitting energy (Δ), in kJ/mol, for each ofthe following complex ions:(b) Construct a spectrochemical series for the ligands in the Cr complexes. (c) Use the Fe data to state how oxidation state af-fects Δ. (d) Use the Co, Rh, and Ir data to state how period num-ber affects Δ.

lon
A (nm)
lon
A (nm)
[Cr(H,O),J**
[Cr(CN)6J³-
[Fe(H2O)J²+
[Fe(H,O)6]**
[Co(NH3)6]³+
[Rh(NH3)6J3+
562
966
3+
381
730
735
405
[Cr(NH3)6J³*
[Ir(NH3)6]³
462
295
13+
244

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