Chemistry: Structure and Properties (2nd Edition)
2nd Edition
ISBN: 9780134293936
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 5, Problem 4E
Interpretation Introduction
To determine: Definition of a dipole moment.
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6. A solution (0.0004 M) of Fe(S2CNEt2)3 (see the structural drawing below) in chloroform
has absorption bands at:
350 nm (absorbance A = 2.34);
514 nm(absorbance A = 0.0532);
Calculate the molar absorptivity values for these bands. Comment
on their possible nature (charge transfer transitions or d-d
S
N-
transitions?).
(4 points)
What is the mechanism for this?
For questions 1-4, consider the following complexes:
[Co(CN)6],
[COC14]²,
[Cr(H2O)6]²+
4.
Room temperature (20°C) measurement of molar magnetic susceptibility (Xm) for
Fe(NH4)2(SO4)2×6H2O is 1.1888 x 102 cgs (Gaussian units). Calculate effective magnetic
moment and provide a number of unpaired electrons for the iron ion. Use this number to
rationalize the coordination geometry around iron center.
(4 points)
Chapter 5 Solutions
Chemistry: Structure and Properties (2nd Edition)
Ch. 5 - What is electronegativity? What are the periodic...Ch. 5 - Explain the difference between a pure covalent...Ch. 5 - What is meant by the percent ionic character of a...Ch. 5 - Prob. 4ECh. 5 - What is the magnitude of the dipole moment formed...Ch. 5 - What is the basic procedure for writing a covalent...Ch. 5 - How do you determine the number of electrons that...Ch. 5 - What are resonance structures? What is a resonance...Ch. 5 - Prob. 9ECh. 5 - Prob. 10E
Ch. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - What is bond energy?Ch. 5 - Give some examples of some typical bond lengths....Ch. 5 - Why is molecular geometry important? Cite some...Ch. 5 - According to VSEPR theory, what determines the...Ch. 5 - Name and draw the five basic electron geometries,...Ch. 5 - Explain the difference between electron geometry...Ch. 5 - List the correct electron and molecular geometries...Ch. 5 - How do you apply VSEPR theory to predict the shape...Ch. 5 - How do you determine if a molecule is polar?Ch. 5 - Why is polarity a key connection between the...Ch. 5 - Prob. 23ECh. 5 - Determine if a bond between each pair of atoms...Ch. 5 - Prob. 25ECh. 5 - Draw the Lewis structure for BrF with an arrow...Ch. 5 - Prob. 27ECh. 5 - Write the Lewis structure for each molecule. NF3...Ch. 5 - Prob. 29ECh. 5 - Write the Lewis structure for each molecule. CH2O...Ch. 5 - Prob. 31ECh. 5 - Prob. 32ECh. 5 - Write the Lewis structure for each molecule or ion...Ch. 5 - Prob. 34ECh. 5 - Write a Lewis structure that obeys the octet rule...Ch. 5 - Prob. 36ECh. 5 - Use formal charge to determine which Lewis...Ch. 5 - Prob. 38ECh. 5 - How important is this resonance structure to the...Ch. 5 - Prob. 40ECh. 5 - Prob. 41ECh. 5 - Prob. 42ECh. 5 - Determine the formal charges of the atoms shown in...Ch. 5 - Prob. 44ECh. 5 - Prob. 45ECh. 5 - Write the Lewis structure for each molecule (octet...Ch. 5 - Prob. 47ECh. 5 - Write Lewis structures for each molecule or ion....Ch. 5 - Prob. 49ECh. 5 - Write Lewis structures for each molecule or ion....Ch. 5 - List these compounds in order of increasing...Ch. 5 - Which of these compounds has the stronger...Ch. 5 - A molecule with the formula AB3 has a trigonal...Ch. 5 - A molecule with the formula AB3 has a trigonal...Ch. 5 - For each molecular geometry shown here, list the...Ch. 5 - For each molecular geometry shown here, list the...Ch. 5 - Determine the electron geometry, molecular...Ch. 5 - Determine the electron geometry, molecular...Ch. 5 - Which species has the smaller bond angle, H3O+ or...Ch. 5 - Which species has the smaller bond angle; C1O4- or...Ch. 5 - Determine the molecular geometry and draw each...Ch. 5 - Determine the molecular geometry and draw each...Ch. 5 - Determine the molecular geometry about each...Ch. 5 - Prob. 64ECh. 5 - Prob. 65ECh. 5 - Prob. 66ECh. 5 - Prob. 67ECh. 5 - Determine the geometry about each interior atom in...Ch. 5 - Explain why CO2 and CCl4 are both nonpolar even...Ch. 5 - CH3F is a polar molecule, even though the...Ch. 5 - Determine whether each molecule in Exercise 57 is...Ch. 5 - Prob. 72ECh. 5 - Determine whether each molecule or ion is polar or...Ch. 5 - Determine whether each molecule is polar or...Ch. 5 - Each compound contains both ionic and covalent...Ch. 5 - Prob. 76ECh. 5 - Carbon ring structures are common in organic...Ch. 5 - Prob. 78ECh. 5 - Prob. 79ECh. 5 - Diazomethane is a highly poisonous, explosive...Ch. 5 - Prob. 81ECh. 5 - Phosgene (Cl2CO) is a poisonous gas that was used...Ch. 5 - The cyanate ion (OCN-) and the fulminate ion...Ch. 5 - Prob. 84ECh. 5 - Prob. 85ECh. 5 - Prob. 86ECh. 5 - Prob. 87ECh. 5 - Prob. 88ECh. 5 - Prob. 89ECh. 5 - Free radicals are important in many...Ch. 5 - A compound composed of only carbon and hydrogen is...Ch. 5 - A compound composed of only carbon and chlorine is...Ch. 5 - Prob. 93ECh. 5 - The genetic code is based on four different bases...Ch. 5 - Prob. 95ECh. 5 - Prob. 96ECh. 5 - Prob. 97ECh. 5 - A 0.167-g sample of an unknown compound contains...Ch. 5 - Use the dipole moments of HF and HCI (given at the...Ch. 5 - One form of phosphorus exists as P4 molecules....Ch. 5 - A compound has the formula C8H8 and does not...Ch. 5 - Draw the Lewis structure for acetamide (CH3CONH2),...Ch. 5 - Prob. 103ECh. 5 - In the very first chapter of this book, we...Ch. 5 - Which statement best captures the fundamental idea...Ch. 5 - Prob. 106ECh. 5 - Have each member of your group represent an atom...Ch. 5 - Prob. 108ECh. 5 - Prob. 109ECh. 5 - Prob. 110ECh. 5 - Pass a piece of paper around the group and ask...Ch. 5 - Prob. 112ECh. 5 - At least two different numbers of electron groups...Ch. 5 - Prob. 114ECh. 5 - The VSEPR model is useful in predicting bond...Ch. 5 - Which set of elements is arranged in order of...Ch. 5 - Prob. 2SAQCh. 5 - Which pair of atoms forms the most polar bond? C...Ch. 5 - Which pair of atoms forms a nonpolar covalent...Ch. 5 - Prob. 5SAQCh. 5 - Prob. 6SAQCh. 5 - Prob. 7SAQCh. 5 - Prob. 8SAQCh. 5 - Prob. 9SAQCh. 5 - Prob. 10SAQCh. 5 - Prob. 11SAQCh. 5 - Predict the relative bond angles in BF3 and SO2Ch. 5 - Predict the molecular geometry about N in the...Ch. 5 - Which molecule is polar?
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- 7. Describe the expected 31P and 19F (where applicable) NMR spectral patterns for the following compounds (indicate number of signals and their splitting patterns). a) tetraphenyldiphosphine Ph Ph P-P Ph Ph Ph Ph ' b) tetraphenyldiphosphine monoxide P-P-Ph Ph (2 points) (2 points c) tetrafluorophosphonium hexafluorophosphate [PF4]*[PF6]¯ (4 points)arrow_forward3. For questions 1-4, consider the following complexes: [Co(CN)6]4, [COC14]², [Cr(H2O)6]²+ Which (if any) of these complexes would be expected to display Jahn-Teller distortion? (2 points)arrow_forwardWhat is Instrumental Neutron Activation and what are the advantages and disadvantages in using its applications? (I'm doing an in class assignment and need better understanding of what the instrument can be used for) Please include references so that I can better understand the application of how the instrument works!arrow_forward
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- For questions 1-4, consider the following complexes: [Co(CN)6]4, [COC14]², [Cr(H2O)6]²+ 1. Assign oxidation number to the metal, then indicate d-electron count. (3 points)arrow_forwardUsing iodometry I want to titrate a sodium thiosulfate solution and I use 15 mL. If I have 50 mL of a 0.90 M copper solution and KI, what will be the molarity of sodium thiosulfate?arrow_forwardDraw the product formed when the following pair of compounds is treated with NaOEt in ethanol. + i CNarrow_forward
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