Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN: 9781938168390
Author: Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher: OpenStax
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Textbook Question
Chapter 19, Problem 48E
[CuCl4]2- is green. [Cu(H2O)6]2+ is blue. Which absorbs higher-energy photons? Which is predicted to have a larger crystal field splitting?
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[CuCl4]2− is green. [Cu(H2O)6]2+is blue. Which absorbs higher-energy photons? Which is predicted to have a larger crystal field splitting?
Consider the following tetrahedral
complex ions: [Zr(H₂O)4]²+, [Zr(CN)4]²¯,
and [Zr(OH)4]². Arrange these in terms
of increasing wavelength of the color they
appear.
[Zr(OH)4]²- < [Zr(CN)4]² < [Zr(H₂O)4]²+
O [Zr(CN)4]²- < [Zr(OH)4]²¯ < [Zr(H₂O)4]²+
[Zr(CN)4]² < [Zr(H₂O)4]²+ < [Zr(OH)4]²-
O [Zr(H₂O)4]²+ < [Zr(CN)4]²¯ < [Zr(OH)4]²-
[Zr(OH)4]² < [Zr(H₂O)4]²+ < [Zr(CN)4]²-
3. Consider the blue-colored compound, [Cr(H₂O)]3³ and the yellow-colored
compound, [Cr(CN)6]³. Calculate their magnetic moments and discuss their magnetic
properties and their color.
Chapter 19 Solutions
Chemistry by OpenStax (2015-05-04)
Ch. 19 - Write the electron configurations far each of the...Ch. 19 - Write the electron con?gurations for each of the...Ch. 19 - Write the electron configurations for each of the...Ch. 19 - Why are the lanthanoid elements not found in...Ch. 19 - Which of the following elements is most likely to...Ch. 19 - Which of the following is the strongest oxidizing...Ch. 19 - Which of the following elements is most likely to...Ch. 19 - The following reactions all occur in a blast...Ch. 19 - Why is the formation of slag useful during the...Ch. 19 - Would you expect an aqueous manganese (VII) oxide...
Ch. 19 - Iron (II) can be oxidized to iron (III) by...Ch. 19 - How many cubic feet of air at a pressure of 760...Ch. 19 - Find the potentials of the following...Ch. 19 - A 2.5624-g sample of a pure solid alkali metal...Ch. 19 - The standard reduction potential for the reaction...Ch. 19 - Predict the products of each of the following...Ch. 19 - Predict the products of each of the following...Ch. 19 - Describe the electrolytic process for refining...Ch. 19 - Predict the products of the following reactions...Ch. 19 - What is the gas produced when iron(II) sulfide is...Ch. 19 - Predict the products of each of the following...Ch. 19 - Balance the following equations by...Ch. 19 - Dilute sodium cyanide solution is slowly dripped...Ch. 19 - Predict which will be more stable, [CrO4]2- or...Ch. 19 - Give the oxidation state of the metal for each of...Ch. 19 - Indicate the coordination number for the central...Ch. 19 - Give the coordination numbers and write the...Ch. 19 - Give the coordination number for each metal ion in...Ch. 19 - Sketch the structures of the following complexes....Ch. 19 - Draw diagrams for any Cis, trans, and optical...Ch. 19 - Name each of the compounds or ions given in...Ch. 19 - Name each of the compounds or ions given in...Ch. 19 - Specify whether the following complexes have...Ch. 19 - Predict whether the carbonate ligand CO32- will...Ch. 19 - Draw the geometric, linkage, and ionization...Ch. 19 - Determine the number of unpaired electrons...Ch. 19 - Draw the Crystal field diagrams for [Fe(NO2)6]4-...Ch. 19 - Give the oxidation state of the metal, number of d...Ch. 19 - The solid anhydrous solid CoCl2 is blue in color....Ch. 19 - Is it possible for a complex of a metal in the...Ch. 19 - How many unpaired electrons are present in each of...Ch. 19 - Explain how the diphosphate ion, [O3P-O-PO3]4-,...Ch. 19 - For complexes of the same metal ion with no change...Ch. 19 - Trimethylphosphine, P(CH3)3, can act as a ligand...Ch. 19 - Would you expect the complex [Co(en)3]Cl3 to have...Ch. 19 - Would you expect the Mg3[Cr(CN)5]2 to be...Ch. 19 - Would you expect salts of the gold(I) ion, Au+, to...Ch. 19 - [CuCl4]2- is green. [Cu(H2O)6]2+ is blue. Which...
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- Give the number of unpaired electrons in octahedral complexes with strong-field ligands for (a) Rh3+ (b) Mn3+ (c) Ag+ (d) Pt4+ (e) Au3+arrow_forwardHow would you draw the isomer structure(s) for [Cr(en)2BrCl] 1+arrow_forwardExplain why at equal concentrations [Fe(CN)6]³ is deep red while [Fe(CN)6] is pale yellow.arrow_forward
- Use the thermodynamic data below to compute the average bond enthalpy of the metal-ligand bonds in [Cu(NH3)4]2+(aq). Species ΔfH0kJ/mol S0J/mol/K NH3(aq) -80.29 111.3 Cu2+(aq) 64.77 -99.6 [Cu(NH3)4]2+(aq) -348.5 273.6 Include 3 significant figuresarrow_forwardUses crystal field theory (CCT) to predict the number of unpaired electrons in the following compounds. Indicate if the compound is diamagnetic or paramagnetic: a) [Fe(H2O)s]Cl, b) [Os(en)3]Cl2 c) Ka[Fe(CN)s] d) [Mn(acac)2(H20)2]SO4arrow_forwardDraw the octahedral crystal field d orbital splitting diagrams for [Fe(OH2)6] 2+ and [Fe(CN)6] 3. Indicate if the diagrams are high spin and low spin. give the names of the d-orbitals (dxz, dxy, dzy, dz2, dx2 - y2) label the appropriate orbital sets eg* and t2g and show how the electrons populate the diagram. (Hint: Pairing energy for 3d orbitals Fe 2+ = 29875 cm-1, Fe 3+ = 19150 cm-1; delta OH for Fe(OH2)6]2+ = 14300 cm-1 and delta OH for [Fe(CN)6]3 - is 35000 cm-1arrow_forward
- Consider the reactions 1. [Cr(H2O)6]** + [C©CI(NH3)s]* → [Co(NH3)s(H2O)]²* + [CrCl(H2O)s]** 2. [Fe(CN)6]* + [Mo(CN)s]-→ [Fe(CN)6]³¯ + [Mo(CN)8]* Which one of the following is the correct statement? (i) Both involve an inner sphere mechanism (ii) Both involve an outer sphere mechanism (iii) Reaction 1 follows inner sphere and reaction 2 follows outer sphere mechanism (iv) Reaction 1 follows outer sphere and reaction 2 follows inner sphere mechanism (A) i (B) ii (C) iv (D) iiarrow_forwardIn [Cr(NH₃)₆]Cl₃, the [Cr(NH₃)₆]³⁺ ion absorbs visiblelight in the blue-violet range, and the compound is yellow-orange. In [Cr(H₂O)₆]Br₃, the [Cr(H₂O)₆]³⁺ ion absorbs visiblelight in the red range, and the compound is blue-gray. Explain these differences in light absorbed and color of the compoundarrow_forwardSolutions of [Co(NH3)6]2+, [Co(H2O)6]2+ (both octahedral), and [CoCl4]2- (tetrahedral) are colored. One is pink, one is blue, and one is yellow. Based on the spectrochemical series and remembering that the energy splitting in tetrahedral complexes is normally much less than that in octahedral ones, assign a color to each complex.arrow_forward
- Some metal complexes have a coordination number of 5. One such complex is Fe(CO)5, which adopts a trigonal bipyramidal geometry. What is the oxidation state of Fe in this compound?arrow_forwardSolutions of [Co(NH3)6]2+, [Co(H2O)6]2+ (both octahedral) and [CoCl4]2– (tetrahedral) are colorful. One is pink, one is blue and the other is Based on the spectrochemical series, assign a color for each complex.arrow_forwarddraw the structure of [Fe(NH3)3(OH2)3][PtCl4]arrow_forward
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