General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Chapter 20.10, Problem 20.16P
(a)
Interpretation Introduction
Interpretation:
The color of the given complex ion has to be identified.
(b)
Interpretation Introduction
Interpretation:
For the given complex ion, the energy difference between the ground and excited state has to be calculated.
Concept introduction:
Plank-Einstein relation:
The relationship between
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A solution containing 1.00 mg ion (as the thiocyanate complex) in 100 mL was observed to transmit 70 % of the incident light compared to an appropriate blank.
(a) What is the absorbance of this solution at this wavelength?
(b) What fraction of light would be transmitted by a solution of iron four times as concentrated?
At 580 nm, the wavelength of its maximum absorption, the complex Fe(SCN)2+ has a molar absorptivity of 7.00x 103 L cm-1 mol-1. Calculate (a) the absorbance of a 3.40 x 10–5 M solution of the complex at 580 nm in a 1.00-cm cell. (b) the absorbance of a solution in which the concentration of the complex is twice that in (a). (c) the transmittance of the solutions described in (a) and (b). (d) the absorbance of a solution that has half the transmittance of that described in (a).
Consider the octahedral complex [FeBr6] 4−. In water solution it has an absorption peak at 864 nm with a molar absorptivity (ε) of 3.6 L mol-1 cm-1 .
(a) What is the energy (in wavenumbers, cm-1 ) of the absorption peak? Show all work.
(b) How many valence d electrons does the metal center have? Justify your answer.
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(d) What electronic transition results from absorption of 864-nm light?
(e) Calculate the ligand stabilization energy (in units of ∆o) and units of coulombic (Πc) energy.
(f) How would the ligand field strengths (∆o) of [Fe(NH3)6] 2+ and [Fe(bipy)3] 2+ differ from that of [FeBr6] 4−? Why?
Chapter 20 Solutions
General Chemistry: Atoms First
Ch. 20.1 - Write the electron configuration of the metal in...Ch. 20.1 - Prob. 20.2CPCh. 20.3 - Prob. 20.3CPCh. 20.4 - Prob. 20.4PCh. 20.4 - Prob. 20.5PCh. 20.5 - Prob. 20.6PCh. 20.5 - Prob. 20.7PCh. 20.6 - Prob. 20.8PCh. 20.7 - Name each of the following: (a) [Cu(NH3)4]SO4, a...Ch. 20.7 - Prob. 20.10P
Ch. 20.8 - Prob. 20.11PCh. 20.8 - Prob. 20.12CPCh. 20.9 - Prob. 20.13PCh. 20.9 - Prob. 20.14CPCh. 20.9 - Prob. 20.15PCh. 20.10 - Prob. 20.16PCh. 20.11 - Prob. 20.17PCh. 20.12 - Prob. 20.18PCh. 20.12 - Prob. 20.19PCh. 20.12 - Prob. 20.20PCh. 20.12 - Prob. 20.21PCh. 20 - Prob. 20.22CPCh. 20 - Prob. 20.23CPCh. 20 - Prob. 20.24CPCh. 20 - Prob. 20.25CPCh. 20 - What is the systematic name for each of the...Ch. 20 - Prob. 20.27CPCh. 20 - Prob. 20.28CPCh. 20 - Prob. 20.29CPCh. 20 - Predict the crystal field energy-level diagram for...Ch. 20 - Prob. 20.31CPCh. 20 - Use the periodic table to give the electron...Ch. 20 - Prob. 20.33SPCh. 20 - Prob. 20.34SPCh. 20 - Prob. 20.35SPCh. 20 - Prob. 20.36SPCh. 20 - Prob. 20.37SPCh. 20 - Prob. 20.38SPCh. 20 - Prob. 20.39SPCh. 20 - What is the lanthanide contraction, and why does...Ch. 20 - The atomic radii of zirconium and hafnium are...Ch. 20 - Calculate the sum of the first two ionization...Ch. 20 - Prob. 20.43SPCh. 20 - Prob. 20.44SPCh. 20 - Prob. 20.45SPCh. 20 - Prob. 20.46SPCh. 20 - Prob. 20.47SPCh. 20 - Prob. 20.48SPCh. 20 - Prob. 20.49SPCh. 20 - Prob. 20.50SPCh. 20 - Prob. 20.51SPCh. 20 - Prob. 20.52SPCh. 20 - Prob. 20.53SPCh. 20 - Prob. 20.54SPCh. 20 - Prob. 20.55SPCh. 20 - Write a balanced equation for the industrial...Ch. 20 - Prob. 20.57SPCh. 20 - Prob. 20.58SPCh. 20 - Prob. 20.59SPCh. 20 - Prob. 20.60SPCh. 20 - Prob. 20.61SPCh. 20 - Prob. 20.62SPCh. 20 - Prob. 20.63SPCh. 20 - Prob. 20.64SPCh. 20 - Prob. 20.65SPCh. 20 - Prob. 20.66SPCh. 20 - Prob. 20.67SPCh. 20 - Prob. 20.68SPCh. 20 - Prob. 20.69SPCh. 20 - Prob. 20.70SPCh. 20 - Prob. 20.71SPCh. 20 - Prob. 20.72SPCh. 20 - Prob. 20.73SPCh. 20 - What is the formula of a complex that has each of...Ch. 20 - What is the formula, including the charge, for...Ch. 20 - Prob. 20.76SPCh. 20 - Prob. 20.77SPCh. 20 - Prob. 20.78SPCh. 20 - Prob. 20.79SPCh. 20 - Prob. 20.80SPCh. 20 - Prob. 20.81SPCh. 20 - What is the systematic name for each of the...Ch. 20 - Prob. 20.83SPCh. 20 - Prob. 20.84SPCh. 20 - Prob. 20.85SPCh. 20 - Prob. 20.86SPCh. 20 - Prob. 20.87SPCh. 20 - Prob. 20.88SPCh. 20 - Tell how many diastereoisomers are possible for...Ch. 20 - Which of the following complexes are chiral? (a)...Ch. 20 - Prob. 20.91SPCh. 20 - Prob. 20.92SPCh. 20 - Prob. 20.93SPCh. 20 - Prob. 20.94SPCh. 20 - Prob. 20.95SPCh. 20 - Prob. 20.96SPCh. 20 - Prob. 20.97SPCh. 20 - Prob. 20.98SPCh. 20 - Prob. 20.99SPCh. 20 - Prob. 20.100SPCh. 20 - Prob. 20.101SPCh. 20 - Prob. 20.102SPCh. 20 - Prob. 20.103SPCh. 20 - Prob. 20.104SPCh. 20 - Prob. 20.105SPCh. 20 - For each of the following complexes, draw a...Ch. 20 - Prob. 20.107SPCh. 20 - Prob. 20.108SPCh. 20 - Prob. 20.109SPCh. 20 - Prob. 20.110SPCh. 20 - Prob. 20.111SPCh. 20 - Prob. 20.112SPCh. 20 - Prob. 20.113SPCh. 20 - Prob. 20.114CHPCh. 20 - Prob. 20.115CHPCh. 20 - Prob. 20.116CHPCh. 20 - Prob. 20.117CHPCh. 20 - Prob. 20.118CHPCh. 20 - Prob. 20.119CHPCh. 20 - Prob. 20.120CHPCh. 20 - Prob. 20.121CHPCh. 20 - Prob. 20.122CHPCh. 20 - Prob. 20.123CHPCh. 20 - Prob. 20.124CHPCh. 20 - Draw a crystal field energy-level diagram, and...Ch. 20 - Prob. 20.126CHPCh. 20 - Prob. 20.127CHPCh. 20 - Prob. 20.128CHPCh. 20 - Prob. 20.129CHPCh. 20 - Prob. 20.130CHPCh. 20 - Look at the colors of the isomeric complexes in...Ch. 20 - The amount of paramagnetism for a first-series...Ch. 20 - Prob. 20.133CHPCh. 20 - Prob. 20.134CHPCh. 20 - Prob. 20.135CHPCh. 20 - For each of the following, (i) give the systematic...Ch. 20 - Prob. 20.137CHPCh. 20 - Prob. 20.138CHPCh. 20 - Prob. 20.139MPCh. 20 - Formation constants for the ammonia and...Ch. 20 - Prob. 20.141MPCh. 20 - Prob. 20.143MPCh. 20 - An alternative to cyanide leaching of gold ores is...
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