Explanation Explanation During the formation of octahedral compounds, the d -orbital electrons can arrange in two different ways. When the system is low spin, the pairing occurs in the lower energy level and after that electron moves to the high energy level. The opposite occurs in the case of high spin where first both the lower and higher energy levels are singly occupied and after that the pairing of electrons starts. In case of 3 d 6 complexes, there is no unpaired electron present in the strong-field, while four unpaired electrons are present in weak-field ligand. This is possible for two ions like Fe 2 + and Co 3 +

Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition

10th Edition

ISBN: 9781305957510

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

Publisher: Cengage Learning

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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

Chapter 21, Problem 8Q

Interpretation Introduction

Interpretation: The formation of different colored solutions by a certain first-row transition metal ion and the formation of red, yellow, green, and blue colored solutions on the dissolution of four coordination compounds of the given particular ion in water and the formation of two paramagnetic and the other two diamagnetic complex ions is given. The information deduced about the four coordination compounds is to be stated.

Concept introduction: The strong field ligands lead to splitting to a higher extent than the weak field ligands and the wavelength of light absorbed depends on the energy gap that is produced by a particular ligand.

Expert Solution & Answer

Chapter 21 Solutions

Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition

Ch. 21 - What two first-row transition metals have...Ch. 21 - Prob. 2RQ Ch. 21 - Prob. 3RQ Ch. 21 - Prob. 4RQ Ch. 21 - Prob. 5RQ Ch. 21 - Prob. 6RQ Ch. 21 - Prob. 7RQ Ch. 21 - Prob. 8RQ Ch. 21 - Prob. 9RQ Ch. 21 - Prob. 10RQ

Ch. 21 - Prob. 1ALQ Ch. 21 - Prob. 2ALQ Ch. 21 - Prob. 3ALQ Ch. 21 - Prob. 4ALQ Ch. 21 - Prob. 5Q Ch. 21 - Four different octahedral chromium coordination...Ch. 21 - Prob. 7Q Ch. 21 - Prob. 8Q Ch. 21 - Prob. 9Q Ch. 21 - Prob. 10Q Ch. 21 - Prob. 11Q Ch. 21 - Prob. 13Q Ch. 21 - Prob. 14Q Ch. 21 - Which of the following ligands are capable of...Ch. 21 - Prob. 16Q Ch. 21 - Prob. 17Q Ch. 21 - What is the maximum number of unpaired d electrons...Ch. 21 - Prob. 19Q Ch. 21 - Prob. 20Q Ch. 21 - Prob. 21Q Ch. 21 - Prob. 22Q Ch. 21 - Prob. 23E Ch. 21 - Prob. 24E Ch. 21 - Prob. 25E Ch. 21 - Prob. 26E Ch. 21 - Prob. 27E Ch. 21 - Prob. 28E Ch. 21 - Prob. 29E Ch. 21 - Prob. 30E Ch. 21 - Prob. 31E Ch. 21 - When an aqueous solution of KCN is added to a...Ch. 21 - Consider aqueous solutions of the following...Ch. 21 - A coordination compound of cobalt(III) contains...Ch. 21 - Prob. 35E Ch. 21 - Prob. 36E Ch. 21 - Prob. 37E Ch. 21 - Prob. 38E Ch. 21 - Prob. 39E Ch. 21 - Give formulas for the following complex ions. a....Ch. 21 - Prob. 41E Ch. 21 - Prob. 42E Ch. 21 - Prob. 43E Ch. 21 - Amino acids can act as ligands toward transition...Ch. 21 - Prob. 45E Ch. 21 - Prob. 46E Ch. 21 - Prob. 47E Ch. 21 - Prob. 48E Ch. 21 - Prob. 49E Ch. 21 - Prob. 50E Ch. 21 - Prob. 51E Ch. 21 - Prob. 52E Ch. 21 - Prob. 53E Ch. 21 - Prob. 54E Ch. 21 - The CrF64 ion is known to have four unpaired...Ch. 21 - Prob. 56E Ch. 21 - Prob. 57E Ch. 21 - The complex ion Fe(CN)63 is paramagnetic with one...Ch. 21 - Prob. 59E Ch. 21 - Prob. 60E Ch. 21 - Prob. 61E Ch. 21 - Prob. 62E Ch. 21 - The wavelength of absorbed electromagnetic...Ch. 21 - The complex ion NiCL42 has two unpaired electrons,...Ch. 21 - How many unpaired electrons are present in the...Ch. 21 - The complex ion PdCl42is diamagnetic. Propose a...Ch. 21 - Prob. 67E Ch. 21 - Prob. 68E Ch. 21 - Prob. 69E Ch. 21 - Prob. 70E Ch. 21 - Silver is sometimes found in nature as large...Ch. 21 - Prob. 72E Ch. 21 - Prob. 73AE Ch. 21 - Prob. 74AE Ch. 21 - Prob. 75AE Ch. 21 - The compound cisplatin, Pt(NH3)2Cl2, has been...Ch. 21 - Prob. 77AE Ch. 21 - Prob. 78AE Ch. 21 - Prob. 79AE Ch. 21 - Prob. 80AE Ch. 21 - Prob. 81AE Ch. 21 - Name the following coordination compounds. a....Ch. 21 - Prob. 83AE Ch. 21 - Prob. 84AE Ch. 21 - Prob. 85AE Ch. 21 - Prob. 86AE Ch. 21 - Carbon monoxide is toxic because it binds more...Ch. 21 - Prob. 88AE Ch. 21 - Prob. 89CWP Ch. 21 - Which of the following molecules exhibit(s)...Ch. 21 - Prob. 91CWP Ch. 21 - The following table indicates the number of...Ch. 21 - Prob. 93CWP Ch. 21 - Which of the following statement(s) is( are) true?...Ch. 21 - Consider the following complex ion, where A and B...Ch. 21 - Consider the pseudo-octahedral complex ion of...Ch. 21 - Prob. 97CP Ch. 21 - Prob. 98CP Ch. 21 - Chelating ligands often form more stable complex...Ch. 21 - Prob. 100CP Ch. 21 - Prob. 101CP Ch. 21 - Prob. 102CP Ch. 21 - Sketch and explain the most likely crystal field...Ch. 21 - Ethylenediaminetetraacetate (EDTA4 ) is used as a...Ch. 21 - Prob. 105CP Ch. 21 - The ferrate ion, FeO42, is such a powerful...Ch. 21 - Ammonia and potassium iodide solutions are added...Ch. 21 - a. In the absorption spectrum of the complex ion...Ch. 21 - There are three salts that contain complex ions of...

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An aqueous solution of [Rh(C2O4)3]3− is yellow. Predict the approximate wavelength and predominant color of light absorbed by the complex.
For each d electron configuration, state the number of unpaired electrons expected in octahedral complexes. Give an example complex for each case. (Two answers are possible for some of these cases.) (a) d2 (b) d4 (c) d6 (d) d8
Is it possible to have a paramagnetic d4-tetrahedral complex ion? Explain.

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