General Chemistry: Principles and Modern Applications (11th Edition)
11th Edition
ISBN: 9780132931281
Author: Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette
Publisher: PEARSON
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Chapter 11, Problem 79SAE
Explain the important distinctions between the terms in each of the following pairs: (a)
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For each statement, indicate whether it is true or false. (a) The greater the orbital overlap in a bond, the weaker the bond. [b] The greater the orbital overlap in a bond, the shorter the bond. [c] To create a hybrid orbital, you could use the s orbital on one atom with a p orbital on another atom. [d] Nonbonding electron pairs cannot occupy a hybrid orbital.
The structure of caffeine is shown below.
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Chapter 11 Solutions
General Chemistry: Principles and Modern Applications (11th Edition)
Ch. 11 - Prob. 1ECh. 11 - Explain why it is necessary to hybridize atomic...Ch. 11 - Describe the molecular geometry of H2O suggested...Ch. 11 - Describe the molecular geometry of NH2 suggested...Ch. 11 - In which of the following, CO32-,SO2,CCl4,CO,NO3-...Ch. 11 - In the manner of Example 11-1, describe the...Ch. 11 - For each of the following species, identify the...Ch. 11 - Propose a plausible Lewis structure, geometric...Ch. 11 - Describe a hybridization scheme for the central Cl...Ch. 11 - Describe a hybridization scheme for the central S...
Ch. 11 - Match each of the following species with one of...Ch. 11 - Propose a hybridization scheme to account for...Ch. 11 - Indicate which of the following molecules and ions...Ch. 11 - In the manner of Figure 11-18, indicate the...Ch. 11 - Write Lewis structures for the following...Ch. 11 - Represent bonding in the carbon dioxide molecule,...Ch. 11 - Use the method of Figure 11-19 to represent...Ch. 11 - Use the method of Figure 11-19 to represent...Ch. 11 - The molecular model below represents citric acid,...Ch. 11 - Malic is e common organic acid found in unripe...Ch. 11 - Shown below are ball-and-stick models. Describe...Ch. 11 - Shown below are ban-and-stick models. Describe...Ch. 11 - Prob. 23ECh. 11 - The structure of the molecule allene, CH2CCH2 , is...Ch. 11 - Angelic acid, shown below, occurs in symbol root,...Ch. 11 - Dimethylolpropionic acid, shown below, is used in...Ch. 11 - Explain the essential difference in how the...Ch. 11 - Describe the bond order of diatomic carbon, C2 ,...Ch. 11 - Prob. 29ECh. 11 - The paramagnetism of gaseous B2 has been...Ch. 11 - Prob. 31ECh. 11 - Is it correct to say that when a diatomic molecule...Ch. 11 - For the following pairs of molecular orbitals,...Ch. 11 - For each of the species C2+,O2,F2+ , and NO+ ; a....Ch. 11 - Write plausible molecular orbital occupancy...Ch. 11 - We have used the term “isoelectronic” to refer to...Ch. 11 - Consider the molecules NO+ and N2+ and use...Ch. 11 - Consider the molecules CO+ and CN- and use...Ch. 11 - Construct the molecular orbital diagram for CF....Ch. 11 - Construct the molecular orbital diagram for SrCl....Ch. 11 - Explain why the concept of delocalized molecular...Ch. 11 - Explain how it is possible to avoid the concept of...Ch. 11 - In which of the following molecules would you...Ch. 11 - In which of the following ions would you expect to...Ch. 11 - The Lewis structure of N2 indicates that the...Ch. 11 - Show that both the valence bond method and...Ch. 11 - A group of spectroscopists believe that they have...Ch. 11 - Lewis theory is satisfactory to explain bonding in...Ch. 11 - The compound potassium sesquoxide has the...Ch. 11 - Draw a Lewis structure for the urea molecule, CO(...Ch. 11 - Methyl nitrate, CH2NO2 , is used as a rocket...Ch. 11 - Fluorine nitrate, FONO2 , is an oxidizing agent...Ch. 11 - Draw a Lewis structure(s) for the nitrite ion, NO2...Ch. 11 - Think of the reaction shown here as involving the...Ch. 11 - Prob. 55IAECh. 11 - Prob. 56IAECh. 11 - The molecule formamide, HCONH2 , has the...Ch. 11 - Pyridine, C2H2N , is used in the synthesis of...Ch. 11 - Prob. 59IAECh. 11 - The ion F2Cl is linear, but the ion F2Cl+ is bent....Ch. 11 - Prob. 61IAECh. 11 - Prob. 62IAECh. 11 - Prob. 63IAECh. 11 - Prob. 64IAECh. 11 - Histidine, an essential amino acid, serves as a...Ch. 11 - The anion I42 is linear, and the anion I5 is...Ch. 11 - Prob. 67IAECh. 11 - A conjugated hydrocarbon has an alternation of...Ch. 11 - An elusive intermediate of atmospheric reactions...Ch. 11 - Resonance energy is the difference in energy...Ch. 11 - Furan, C4H4O , is a substance derivable from oat...Ch. 11 - As discussed in Are You Wondering 11-1, the sp...Ch. 11 - In Chapter 10, we saw that electronegativity...Ch. 11 - Borazine, B2N2H2 is often referred to as inorganic...Ch. 11 - Which of the following combinations of orbitals...Ch. 11 - Prob. 76FPCh. 11 - Prob. 77SAECh. 11 - Prob. 78SAECh. 11 - Explain the important distinctions between the...Ch. 11 - A molecule in which sp2 hybrid orbitals are used...Ch. 11 - Prob. 81SAECh. 11 - The hybridization scheme for the central atom...Ch. 11 - Of the following, the species with a bond order of...Ch. 11 - The hybridization scheme for Xe in XeF2 is (a) sp;...Ch. 11 - Delocalized molecular orbitals are found in (a)...Ch. 11 - Prob. 86SAECh. 11 - Why does the hybridization sp2d not account for...Ch. 11 - What is the total number of (a) bonds and (b) p...Ch. 11 - Which of the following species are paramagnetic?...Ch. 11 - Use the valence molecular orbital configuration to...Ch. 11 - Use the valence molecular orbital configuration to...Ch. 11 - Which of these diatomic molecules do you think has...Ch. 11 - For each of the following ions or molecules,...Ch. 11 - Draw Lewis structures for the NO2 and NO2+ ions,...Ch. 11 - In which of the following is the central atom sp...Ch. 11 - Prob. 96SAECh. 11 - According to molecular orbital theory, the O22 ion...Ch. 11 - What is the angle between the hybrid orbitals...Ch. 11 - Consider the molecule with the Lewis structure...Ch. 11 - Construct a concept map that embodies the ideas of...Ch. 11 - Prob. 101SAECh. 11 - Construct a concept map that describes the...
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- In each of the following molecules, a central atom is surrounded by a total of three atoms or unshared electron pairs: SnCl2, BCl3, SO2. In which of these molecules would you expect the bond angle to be less than 120? Explain your reasoning.arrow_forwardAspirin, or acetylsalicylic acid, has the formula C9H8O4 and the skeleton structure (a) Complete the Lewis structure and give the number of bonds and bonds in aspirin. (b) What is the hybridization about the CO2H carbon atom (colored blue)? (c) What is the hybridization about the carbon atom in the benzene-like ring that is bonded to an oxygen atom (colored red)? Also, what is the hybridization of the oxygen atom bonded to this carbon atom?arrow_forwardIf an electron is removed from a fluorine molecule, an F+2molecular ion forms.(a) Give the molecular electron configurations for F2 and F+2 (for the MOs constructed from valence AOs).(b) Give the bond order of each species.(c) Predict which species should be paramagnetic.(d) Predict which species has the greater bond dissociation energy.arrow_forward
- The molecular orbitals depicted below are derived from 2p atomic orbitals in F₂⁺. (a) Give the orbital designations. (b) Which is occupied by at least one electron in F₂⁺? (c) Which is occupied by only one electron in F₂⁺?arrow_forwardButadiene, C4H6, is a planar molecule that has the followingcarbon–carbon bond lengths: (a) Predict the bond angles around each of the carbon atoms and sketch the molecule. (b) From left to right, what is the hybridization of each carbon atom in butadiene? (c) The middle C—C bond length in butadiene (1.48 Å) is a little shorter than the average C—C single bond length (1.54 Å). Does this imply that the middle C—C bond in butadiene is weaker or stronger than the average C—C single bond? (d) Based on your answer for part (c), discuss what additional aspects of bonding in butadiene might support the shorter middle C—C bond.arrow_forwardA useful solvent that will dissolve salts as well as organic compounds is the compound acetonitrile, H3CCN. It is present in paint strippers.(a) Write the Lewis structure for acetonitrile, and indicate the direction of the dipole moment in the molecule.(b) Identify the hybrid orbitals used by the carbon atoms in the molecule to form σ bonds.(c) Describe the atomic orbitals that form the π bonds in the molecule. Note that it is not necessary to hybridize the nitrogen atom.arrow_forward
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- Which of the following statements is INCORRECT? (1) In the hybridized state, mixing of the 2s orbitals with the 2px, 2py and/or 2pz orbitals can give sp, sp2 or sp3 hybrid orbitals. (2) A sp3 hybrid orbital is formed from one s-orbital and three p-orbitals to give a total of four orbitals. (3) There are no unhybrized orbitals when carbon is sp3 hybridized. (4) There are no unhybrized orbitals when carbon is sp2 hybridized.arrow_forwardFor each of the following molecule: (i) draw the correct Lewis structure; (ii) determine the molecular geometry and the type of hybridization on the central atom, and (iii) predict whether the molecule is polar or nonpolar. (a) BrCl5arrow_forwardAzo dyes are organic dyes that are used for many applications,such as the coloring of fabrics. Many azo dyes arederivatives of the organic substance azobenzene, C12H10N2.A closely related substance is hydrazobenzene, C12H12N2.The Lewis structures of these two substances are(Recall the shorthand notation used for benzene.)(a) What is the hybridization at the N atom in each of thesubstances? (b) How many unhybridized atomic orbitalsare there on the N and the C atoms in each of the substances?(c) Predict the N¬N¬C angles in each of thesubstances. (d) Azobenzene is said to have greater delocalizationof its p electrons than hydrazobenzene. Discussthis statement in light of your answers to (a) and (b). (e) Allthe atoms of azobenzene lie in one plane, whereas thoseof hydrazobenzene do not. Is this observation consistentwith the statement in part (d)? (f) Azobenzene is an intensered-orange color, whereas hydrazobenzene is nearly colorless.Which molecule would be a better one to use in asolar…arrow_forward
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