Chemistry
9th Edition
ISBN: 9781133611097
Author: Steven S. Zumdahl
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 24Q
Which of the following statements is/are true? Correct the false statements.
a. It is impossible to satisfy the octet rule for all atoms in XeF2.
b. Because SF4 exists, OF4 should also exist, because oxygen is in the same family as sulfur.
c. The bond in No+ should be stronger than the bond in No−.
d. As predicted from the two Lewis structures for ozone, one oxygen-oxygen bond is stronger than the other oxygen-oxygen bond.
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Chapter 8 Solutions
Chemistry
Ch. 8 - Distinguish between the terms electronegativity...Ch. 8 - When an element forms an anion, what happens to...Ch. 8 - Define the term lattice energy. Why,...Ch. 8 - Explain how bond energies can be used to estimate...Ch. 8 - Prob. 5RQCh. 8 - Explain the terms resonance and delocalized...Ch. 8 - Define formal charge and explain how to calculate...Ch. 8 - Give two requirements that should be satisfied for...Ch. 8 - Consider the following compounds: CO2, SO2, KrF2,...Ch. 8 - Explain the electronegativity trends across a row...
Ch. 8 - The ionic compound AB is formed. The charges on...Ch. 8 - Prob. 3ALQCh. 8 - The bond energy for a CH bond is about 413 kJ/mol...Ch. 8 - Prob. 5ALQCh. 8 - Which has the greater bond lengths: NO2 or NO3?...Ch. 8 - The following ions are best described with...Ch. 8 - The second electron affinity values for both...Ch. 8 - What is meant by a chemical bond? Why do atoms...Ch. 8 - Why are some bonds ionic and some covalent?Ch. 8 - How does a bond between Na and Cl differ from a...Ch. 8 - Arrange the following molecules from most to least...Ch. 8 - Does a Lewis structure tell which electron come...Ch. 8 - Describe the type of bonding that exists in die...Ch. 8 - Some plant fertilizer compounds are (NH4)2SO4,...Ch. 8 - Some of the important properties of ionic...Ch. 8 - What is the electronegativity trend? Where does...Ch. 8 - Give one example of a compound having a linear...Ch. 8 - When comparing the size of different ions, the...Ch. 8 - In general the higher the charge on the ions in an...Ch. 8 - Combustion reactions of fossil fuels provide most...Ch. 8 - Which of the following statements is/are true?...Ch. 8 - Three resonance structures can be drawn for CO2....Ch. 8 - Which of the following statements is(are) true?...Ch. 8 - Without using Fig. 3-4, predict the order of...Ch. 8 - Without using Fig. 3-4, predict the order of...Ch. 8 - Without using Fig. 3-4, predict which bond in each...Ch. 8 - Without using Fig. 3-4, predict which bond in each...Ch. 8 - Prob. 31ECh. 8 - Prob. 32ECh. 8 - Which of the following incorrectly shows the bond...Ch. 8 - Indicate the bond polarity (show the partial...Ch. 8 - Predict the type of bond (ionic, covalent, or...Ch. 8 - List all the possible bonds that can occur between...Ch. 8 - Hydrogen has an electronegativity value between...Ch. 8 - Rank the following bonds in order of increasing...Ch. 8 - State whether or not each of the following has a...Ch. 8 - The following electrostatic potential diagrams...Ch. 8 - Prob. 41ECh. 8 - Prob. 42ECh. 8 - Predict the empirical formulas of the ionic...Ch. 8 - Predict the empirical formulas of the ionic...Ch. 8 - Write electron configurations for a. the cations...Ch. 8 - Write electron configurations for a. the cations...Ch. 8 - Which of the following ions have noble gas...Ch. 8 - What noble gas has the same electron configuration...Ch. 8 - Give the formula of a negative ion that would have...Ch. 8 - Prob. 50ECh. 8 - Give three ions that are isoelectronic with neon....Ch. 8 - Consider the ions Sc3+, Cl, K+, Ca2+, and S2....Ch. 8 - Prob. 53ECh. 8 - For each of the following groups, place the atoms...Ch. 8 - Which compound in each of the following pairs of...Ch. 8 - Which compound in each of the following pairs of...Ch. 8 - Use the following data for potassium chloride to...Ch. 8 - Use the following data for magnesium fluoride to...Ch. 8 - Consider the following energy changes: E(kJ/mol)...Ch. 8 - Compare the electron affinity of fluorine to the...Ch. 8 - Prob. 61ECh. 8 - Use the following data (in kJ/mol) to estimate E...Ch. 8 - Rationalize the following lattice energy values:...Ch. 8 - The lattice energies of FeCl3, FeCl2, and Fe2O3...Ch. 8 - Use bond energy values (Table 3-3) to estimate E...Ch. 8 - Use bond energy values (Table 3-3) to estimate E...Ch. 8 - Prob. 67ECh. 8 - Acetic acid is responsible for the sour taste of...Ch. 8 - Use bond energies to predict E for the following...Ch. 8 - The major industrial source of hydrogen gas is by...Ch. 8 - Use bond energies to estimate E for the combustion...Ch. 8 - Prob. 72ECh. 8 - Prob. 73ECh. 8 - Consider the following reaction: A2+B22AB E =...Ch. 8 - Compare your answers from parts a and b of...Ch. 8 - Compare your answers from Exercise 72 to the H...Ch. 8 - The standard enthalpies of formation for S(g),...Ch. 8 - Use the following standard enthalpies of formation...Ch. 8 - The standard enthalpy of formation for N2H2(g) is...Ch. 8 - The standard enthalpy of formation for NO(g) is...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - One type of exception to the octet rule are...Ch. 8 - Lewis structures can be used to understand why...Ch. 8 - The most common exceptions to the octet rule are...Ch. 8 - Prob. 88ECh. 8 - Write Lewis structures for the following. Show all...Ch. 8 - Prob. 90ECh. 8 - Benzene (C6H6) consists of a six-membered ring of...Ch. 8 - Borazine (B3N3H6) has often been called inorganic...Ch. 8 - An important observation supporting the concept of...Ch. 8 - Consider the following bond lengths: CO143pmC9O123...Ch. 8 - A toxic cloud covered Bhopal, India, in December...Ch. 8 - Peroxyacetyl nitrate, or PAN, is present in...Ch. 8 - Prob. 99ECh. 8 - Use formal charge arguments to explain why CO has...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - Write Lewis structures for the species in Exercise...Ch. 8 - Oxidation of the cyanide ion produces the stable...Ch. 8 - When molten sulfur reacts with chlorine gas, a...Ch. 8 - Prob. 106ECh. 8 - Prob. 108ECh. 8 - Predict the molecular structure and bond angles...Ch. 8 - Predict die molecular structure and bond angles...Ch. 8 - There are several molecular structures based on...Ch. 8 - Two variations of the octahedral geometry (see...Ch. 8 - Predict the molecular structure (including bond...Ch. 8 - Predict the molecular structure (including bond...Ch. 8 - Predict the molecular structure (including bond...Ch. 8 - Predict the molecular structure (including bond...Ch. 8 - Prob. 117ECh. 8 - Which of the molecules in Exercise 120 have net...Ch. 8 - Which of the molecules in Exercise 121 have net...Ch. 8 - Which of the molecules in Exercise 122 have net...Ch. 8 - Write Lewis structures and predict the molecular...Ch. 8 - Write Lewis structures and predict whether each of...Ch. 8 - Consider the following Lewis structure where E is...Ch. 8 - Consider the following Lewis structure where E is...Ch. 8 - Prob. 125ECh. 8 - Two different compounds have the formula XeF2Cl2....Ch. 8 - Arrange the following in order of increasing...Ch. 8 - For each of the following, write an equation that...Ch. 8 - Use bond energies (table 3-3), values of electron...Ch. 8 - Write Lewis structures for CO32, HCO3, and H2CO3....Ch. 8 - Which member of the following pairs would you...Ch. 8 - What do each of the following sets of...Ch. 8 - Prob. 133AECh. 8 - Although both Br3 and I3 ions are known, the F3...Ch. 8 - Which of the following molecules have not dipole...Ch. 8 - Prob. 137AECh. 8 - Look up the energies for the bonds in CO and N2....Ch. 8 - Classify the bonding in each of the following...Ch. 8 - List the bonds PCl, PF, OF, and SiF from least...Ch. 8 - Arrange the atoms and/or ions in the following...Ch. 8 - Use the following data to estimate E for the...Ch. 8 - Use bond energy values to estimate E for the...Ch. 8 - Which of the following compounds or ions exhibit...Ch. 8 - The formulas of several chemical substances are...Ch. 8 - Predict the molecular structure, bond angles, and...Ch. 8 - Use Coulombs Jaw, V=Q1Q240r=2.311019Jnm(Q1Q2r) to...Ch. 8 - Prob. 148CPCh. 8 - Calculate the standard heat of formation of the...Ch. 8 - Given the following information: Energy of...Ch. 8 - Prob. 151CPCh. 8 - Think of forming an ionic compound as three steps...Ch. 8 - The compound NF3 is quite stable, but NCl3, is...Ch. 8 - Three processes that have been used for the...Ch. 8 - The compound hexaazaisowurtzitane is one of the...Ch. 8 - Many times extra stability is characteristic of a...Ch. 8 - The study of carbon-containing compounds and their...Ch. 8 - Draw a Lewis structure for the N,...Ch. 8 - Prob. 159CPCh. 8 - Consider the following computer-generated model of...Ch. 8 - A compound, XF5, is 42.81% fluorine by mass....Ch. 8 - Identify the following elements based on their...
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- Predict die molecular structure and bond angles for each molecule or ion in Exercises 88 and 94. a. POCl3, SO42, XeO4, PO43, ClO4 b. NF3, SO32, PO33, ClO3 c.ClO2, SCl2, PCl2 d. Considering your answers to parts a, b, and c. what conclusions can you draw concerning the structures of species containing the same number of atoms and the same number of valence electrons? (O3), sulfur dioxide, and sulfur trioxide.arrow_forwarda. How many sticks did you need to make the skeleton structure?____________ b. How many sticks are left over? ____________ If your model is to obey the octet rule, each ball must have four sticks in it except for hydrogen atom balls, which need and can only have one. Each atom in an octet rule species is surrounded by four pairs of electrons. c. How many holes remain to be filled? ____________ Fill them with the remaining sticks, which represent nonbonding electron pairs. Draw the complete Lewis structure for NH2Cl using lines for bonds and pairs of dots for nonbonding electrons.arrow_forwardBest Lewis Formula and Molecular Geometry A student writes the Lewis electron-dot formula for the carbonate anion, CO32, as a Does this Lewis formula obey the octet rule? Explain. What are the formal charges on the atoms? Try describing the bonding for this formula in valence bond terms. Do you have any difficulty doing this? b Does this Lewis formula give a reasonable description of the electron structure, or is there a better one? If there is a better Lewis formula, write it down and explain why it is better. c The same student writes the following resonance description for CO2: Is there something wrong with this description? (What would you predict as the geometries of these formulas?) d Is one or the other formula a better description? Could a value for the dipole moment help you decide? e Can you write a Lewis formula that gives an even better description of CO2? Explain your answer.arrow_forward
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- 1. Which element will have 5 electrons in its Lewis dot symbol? a. Argon b. Boron c. Carbon d. Phosphorus e. Sulfur 2. Which of the following elements can only form one bond in a Lewis structure? a. O b. C c. N d. Al e. H 3. Write the correct Lewis dot structure for O2. Which statement correctly describes the structure of the whole molecule? a. There is a double bond and four lone pairs. b. There is a double bond and six lone pairs. c. There is a single bond and four lone pairs. d. There is a single bond and six lone pairs. e. There is a single bond, a double bond, and six lone pairs. 4. The electron pair in a C - F bond could be considered… a. Closer to C because Carbon has a larger radius and thus exerts greater control over the shared electron pair b. Closer to F because Fluorine has a higher electronegativity than Carbon c. Closer to C because Carbon has a lower electronegativity than Fluorine d. An inadequate model since the bond is ionic e. Centrally…arrow_forwardThe formula: SOF2 what is the 3D Lewis structure with bond angles and all dipole moments?what is the least electronegative element? What is the number of electron regions surrounding the central atom ? is it octet exceeded? what is the genereral formula? Is it polar or non polar molecule? what is the molecular geometry? what is the electron pair geometry?arrow_forward4.Examine the model and real structures for SO2. A.In what way does the central atom violate the octet rule? When is it possible for molecules to have this exception to the octet rule? B.Calculate the difference in the bond angle between the real and model structure? Is this difference larger or smaller than the difference observed for H2O? Why is the deviation between the real and model structure different for SO2compared to H2O? The deviation for H2O is 5 degreesarrow_forward
- Consider lewis structure of NH3. how many Ione pairs are on nitrogen: 1 2 4 0 3 When the predicted Lewis structure of ArO3, ^2+ is drawn correctly, how many lone pairs are on the central atom? O A.3 O B. 2 O C.o O D.4 O E.1 How many valence electrons would an AX4 molecule have if A was a group 6A atom and X was from group 7 A? O A. 32 О B. 36 O C. 30 O D. 28 O E. 34arrow_forwardAlthough I3- is a known ion, F3- is not. (a) Draw the Lewis structure for I3- (it is linear, not a triangle). (b) One of your classmates says that F3 - does not exist because F is too electronegative to make bonds with another atom. Give an example that proves your classmate is wrong. (c) Another classmate says F3- does not exist because it would violate the octet rule.Is this classmate possibly correct? (d) Yet another classmatesays F3- does not exist because F is too small to make bonds tomore than one atom. Is this classmate possibly correct?arrow_forwardCommon exceptions to the octet rule are compounds and polyatomic ions with central atoms having more than 8 electrons around them. Phosphorus pentafluoride, PF5; sulfur tetrafluoride, SF4; xenon tetrafluoride, XeF4; and tri-iodide ion, I3, are all examples of exceptions to the octet rule. (a) Draw the Lewis structures of these substances.(b) For which elements in these substances can theatoms have more than 8 electrons around them?(c) How can the atoms of the elements youidentified in Part (b) be surrounded by morethan 8 electrons?arrow_forward
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