Which complex ion in each pair is most likely to be high spin?3+a. Ru(H2O)63+ and Fe(H2O)6³+b. Mn(Cl)63 and Mn(Cl)64 2+ is weakerc. Fe(Cl)6³ and Fe(Cl)4¯)d. Ni(NH3)63 and Pt(NH3)2+e. Fe(CN)63 and Fe(H2O)63+ water is weaker

To determine which complex ion in each pair is most likely to be high spin, need to consider the…

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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

Chapter21: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 66E: The complex ion PdCl42is diamagnetic. Propose a structure for PdCl42.

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The complex ion Fe(CN)63 is paramagnetic with one unpaired electron. The complex ion Fe(SCN)63 has five unpaired electrons. Where does SCN lie in the spectrochemical series relative to CN?
The complex ion NiCL42 has two unpaired electrons, whereas Ni(CN)42 is diamagnetic. Propose structures for these two complex ions.
What evidence did Werner obtain to show that the platinum complex PtCl44NH3 has the structural formula [Pt(NH3)4Cl2]Cl2?
When CrCI3 dissolves in water, three different species can be obtained. (a) [Cr(H2O)6]Cl3 violet (b) [Cr(H2O)5Cl]Cl2, pale green (c) [Cr(H2O)4Cl2]Cl, dark green If diethyl ether is added, a fourth complex can be obtained: Cr(H2O)3Cl3 (brown). Describe an experiment that will allow you to differentiate these complexes.
Give the electron distribution in low-spin and/or high-spin complexes of (a) Ru4+ (b) Pt2+
What types of isomers are possible for the following compounds or complex ions? (a) K[Co(NH3)2Cl4] (b) Pt(en)Cl2 (square-planar) (c) [Co(NH3)5Cl]2+ (d) [Ru(phen)3]Cl3 (e) Na2[MnCl4] (tetrahedral) (f) [Co(NH3)5NO2)2+
How many geometric isomers are possible for the square-planar complex ion [Pt(NH3)(CN)Cl2)?
There are three salts that contain complex ions of chromium and have the molecular formula CrCl3 6H2O. Treating 0.27 g of the first salt with a strong dehydrating agent resulted in a mass loss of 0.036 g. Treating 270 mg of the second salt with the same dehydrating agent resulted in a mass loss of 18 mg. The third salt did not lose any mass when treated with the same dehydrating agent. Addition of excess aqueous silver nitrate to 100.0-mL portions of 0.100 M solutions of each salt resulted in the formation of different masses of silver chloride; one solution yielded 1430 mg AgCl; another, 2870 mg AgCl; the third, 4300 mg AgCl. Two of the salts are green and one is violet. Suggest probable structural formulas for these salts, defending your answer on the basis of the preceding observations. State which salt is most likely to be violet. Would a study of the magnetic properties of the salts be helpful in determining the structural formulas? Explain.
Vitamin B12 is a coordination compound with cobalt as its central atom. It contains 4.4% cobalt by mass and has a molar mass of 1.3103 g/mol. How many cobalt atoms are in a molecule of vitamin B12?
Experiments show that K4[Cr(CN)6] is paramagnetic and has two unpaired electrons. The related complex K4[Cr(SCN)6] is paramagnetic and has four unpaired electrons. Account for the magnetism of each compound using the ligand field model. Predict where the SCN ion occurs in the spectro-chemical series relative to CN.
The complex ion PdCl42is diamagnetic. Propose a structure for PdCl42.
Which of the following statement(s) is( are) true? a. The coordination number of a metal ion in an octahedral complex ion is 8. b. All tetrahedral complex ions are low-spin. c. The formula for triaquatrianuninechromiwn(III) sulfate is [Cr(H2O)3(NH3)](SO4)3. d. The electron configuration of Hf2+ is [Xe]4f126s2. e. Hemoglobin contains Fe3+.

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Which complex ion in each pair is most likely to be high spin? 3+ a. Ru(H2O)63+ and Fe(H2O)6³+ b. Mn(Cl)63 and Mn(Cl)64 2+ is weaker c. Fe(Cl)6³ and Fe(Cl)4¯) d. Ni(NH3)63 and Pt(NH3)2+ e. Fe(CN)63 and Fe(H2O)63+ water is weaker