(6 pts. - 2 pts. each part) In each of the following pairs of complexes, which one wouldundergo the slower ligand dissociation reactions? Justify your answers.a. [Cr(NH3)4C12] or [Mn(NH3)4C12]²+ ?b. Fe(en)2(H2O)2 or Ru(en) 2(H2O)2 ?c. [Co(CN)6] or [CoBr6] ³- ?

To answer the question, we analyze the factors affecting ligand dissociation rates, such as the…

Answered: (6 pts. - 2 pts. each part) In each of…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter8: Bonding In Transition Metal Compounds And Coordination Complexes

Section: Chapter Questions

Problem 53AP

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Similar questions

a. In the absorption spectrum of the complex ion Cr(NCS)63, there is a band corresponding to the absorption of a photon of light with an energy of 1.75 104 cm-1. Given 1 cm1 = 1.986 1023 J, what is the wavelength of this photon? b. The CrNC bond angle in Cr(NCS)63 is predicted to be 180. What is the hybridization of the N atom in the Ncs- ligand when a Lewis acid-base reaction occurs between Cr3+ and NCs- that would give a 180 CrNC bond angle? Cr(NCS)63 undergoes substitution by ethylenediamine (en) according to the equation Cr(NCS)63+2enCr(NCS)2(en)2++4NCS Does Cr(NCS)2(en)2+ exhibit geometric isomerism? Does Cr(NCS)2(en)2+ exhibit optical isomerism?
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.
Sketch and explain the most likely crystal field diagram for the following complex ion: Note: The CN ligand produces a much stronger crystal field than NH3. Assume the NH3 ligands lie on the z axis.
Four different octahedral chromium coordination compounds exist that all have the same oxidation state for chromium and have H2O and Cl as the ligands and counterions. When 1 mole of each of the four compounds is dissolved in water, how many moles of silver chloride will precipitate upon addition of excess AgNO3?
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+.
Consider the following complex ion, where A and B represent ligands. The complex is known to be diamagnetic. Do A and B produce very similar or very different crystal fields? Explain.
Trimethylphosphine, P(CH3)3, can act as a ligand by donating the lone pair of electrons on the phosphorus atom. If trimethylphosphine is added to a solution of nickel(Il) chloride in acetone, a blue compound that has a molecular mass of approximately 270 g and contains 21.5% Ni, 26.0% Cl, and 52.5% P(CH3)3 can be isolated. This blue compound does not have any isomeric forms. What are the geometry and molecular formula of the blue compound?

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(6 pts. - 2 pts. each part) In each of the following pairs of complexes, which one would undergo the slower ligand dissociation reactions? Justify your answers. a. [Cr(NH3)4C12] or [Mn(NH3)4C12]²+ ? b. Fe(en)2(H2O)2 or Ru(en) 2(H2O)2 ? c. [Co(CN)6] or [CoBr6] ³- ?