Problem 10.1QP: Describe the main features of the VSEPR model. Problem 10.2QP: According to the VSEPR model, what are the arrangements of two, three, four, five, and six... Problem 10.3QP: Why is a lone pair expected to occupy an equatorial position instead of an axial position in the... Problem 10.4QP Problem 10.5QP: Explain why nitrogen trifluoride has a small dipole moment even though it has polar bonds in a... Problem 10.6QP Problem 10.7QP: What is the angle between two sp3 hybrid orbitals? Problem 10.8QP Problem 10.9QP Problem 10.10QP: How does the valence bond description of a carboncarbon double bond account for cis trans isomers? Problem 10.11QP Problem 10.12QP: What factors determine the strength of interaction between two atomic orbitals to form a molecular... Problem 10.13QP Problem 10.14QP Problem 10.15QP Problem 10.16QP: Describe the bonding in O3, using molecular orbital theory. Compare this with the resonance... Problem 10.17QP Problem 10.18QP: Which of the following molecular geometries does the XeF5+ cation exhibit? a Tetradral b T-shaped c... Problem 10.19QP: Which of the following would be a polar molecule? a CO2 b H2S c CH4 d SF6 e BeF2 Problem 10.20QP Problem 10.21QP: Best Lewis Formula and Molecular Geometry A student writes the Lewis electron-dot formula for the... Problem 10.22QP Problem 10.23QP Problem 10.24QP: Which of the following molecular models correctly depicts the geometry of ClCN? Problem 10.25QP Problem 10.26QP Problem 10.27QP: Indicate what hybrid orbital depicted below is expected for the central atom of each of the... Problem 10.28QP: An atom in a molecule has two bonds to other atoms and one lone pair. What kind of hybrid orbitals... Problem 10.29QP: Two compounds have the same molecular formula, C2H2Br2. One has a dipole moment; the other does not.... Problem 10.30QP: A neutral molecule is identified as a tetrafluoride, XF4, where X is an unknown atom. If the... Problem 10.31QP: Acetic acid, the sour constituent of vinegar, has the following structure: Indicate what geometry... Problem 10.32QP: What are the bond angles predicted by the VSEPR model about the carbon atom in the formate ion,... Problem 10.33QP: Predict the shape or geometry of the following molecules, using the VSEPR model. a SiF4 b SF2 c COF2... Problem 10.34QP: Use the electron-pair repulsion model to predict the geometry of the following molecules: a GeCl2 b... Problem 10.35QP: Predict the geometry of the following ions, using the electron-pair repulsion model. a BrO3 b AsO43... Problem 10.36QP: Use the VSEPR model to predict the geometry of the following ions: a NO2 b SO32 c N3 d BR4 Problem 10.37QP: For each of the following molecules, state the bond angle (or bond angles, as appropriate) that you... Problem 10.38QP: For each of the following molecules, state the bond angle (or bond angles, as appropriate) that you... Problem 10.39QP Problem 10.40QP: From the electron-pair repulsion model, predict the geometry of the following molecules: a TeF6 b... Problem 10.41QP: Predict the geometries of the following ions, using the VSEPR model. a GeF5 b AsF6 c BrF2 d BrF4 Problem 10.42QP: Name the geometries expected for the following ions, according to the electron-pair repulsion model.... Problem 10.43QP: a The molecule AsF3 has a dipole moment of 2.59 D. Which of the following geometries are possible:... Problem 10.44QP: a The molecule BrF3 has a dipole moment of 1.19 D. Which of the following geometries are possible:... Problem 10.45QP: Which of the following molecules would be expected to have zero dipole moment on the basis of their... Problem 10.46QP: Which of the following molecules would be expected to have a dipole moment of zero because of... Problem 10.47QP: What hybrid orbitals would be expected for the central atom in each of the following molecules or... Problem 10.48QP: What hybrid orbitals would be expected for the central atom in each of the following molecules or... Problem 10.49QP: What hybrid orbitals would be expected for the central atom in each of the following molecules or... Problem 10.50QP: What hybrid orbitals would be expected for the central atom in each of the following molecules or... Problem 10.51QP: a Mercury(II) chloride dissolves in water to give poorly conducting solutions, indicating that the... Problem 10.52QP: a Nitrogen trifluoride, NF3, is a relatively unreactive, colorless gas. How would you describe the... Problem 10.53QP: a Carbonyl fluoride, COF2, is an extremely poisonous gas used in organofluorine synthesis. Give the... Problem 10.54QP: a The molecule HNNH exists as a transient species in certain reactions. Give the valence bond... Problem 10.55QP: The hyponitrite ion, ONNO, exists in solid compounds as the trans isomer. Using valence bond theory,... Problem 10.56QP: Fumaric acid, C4H4O4, occurs in the metabolism of glucose in the cells of plants and animals. It is... Problem 10.57QP: Describe the electronic structure of each of the following, using molecular orbital theory.... Problem 10.58QP: Use molecular orbital theory to describe the bonding in the following. For each one, find the bond... Problem 10.59QP Problem 10.60QP: Write the molecular orbital configuration of the diatomic molecule BN. What is the bond order of BN?... Problem 10.61QP: Predict the molecular geometry of the following: a SnCl2 b COBr2 c ICl2 d PCl6 Problem 10.62QP Problem 10.63QP: Which of the following molecules or ions are linear? a NO2 b H2O c XeF2 d CO2 Problem 10.64QP: Which of the following molecules or ions are trigonal planar? a AsH3 b TeF5 c BBr3 d ClF4 Problem 10.65QP: Describe the hybrid orbitals used by each carbon atom in the following molecules: Problem 10.66QP Problem 10.67QP: Explain how the dipole moment could be used to distinguish between the cis and trans isomers of... Problem 10.68QP: Two compounds have the formula Pt(NH3)2Cl2. (Compound B is cisplatin, mentioned in the opening to... Problem 10.69QP: Explain in terms of bonding theory why all four hydrogen atoms of allene, H2CCCH2, cannot lie in the... Problem 10.70QP: Explain in terms of bonding theory why all atoms of H2CCCCH2 must lie in the same plane. Problem 10.71QP: What is the molecular orbital configuration of HeH+? Do you expect the ion to be stable? Problem 10.72QP Problem 10.73QP: Calcium carbide, CaC2, consists of Ca2+ and C22 (acetylide) ions. Write the molecular orbital... Problem 10.74QP: Sodium peroxide, Na2O2, consists of Na+ and O22 (peroxide) ions. Write the molecular orbital... Problem 10.75QP: The oxygen oxygen bond in O2 is 112 pm and in O2 is 121 pm. Explain why the bond length in O2+ is... Problem 10.76QP: The nitrogennitrogen bond distance in N2 is 109 pm. On the basis of bond orders, would you expect... Problem 10.77QP: Using molecular orbital theory, determine the electronic structure of the first excited electronic... Problem 10.78QP: The ionization energy of O2 is smaller than the ionization energy of atomic O; the opposite is true... Problem 10.79QP Problem 10.80QP Problem 10.81QP Problem 10.82QP Problem 10.83QP: What is the biological importance of stratospheric ozone? Explain. Problem 10.84QP Problem 10.85QP Problem 10.86QP: The bond length in C2 is 131 pm. Compare this with the bond lengths in C2H2 (120 pm), C2H4 (134 pm),... Problem 10.87QP: Calcium carbide, CaC2, has an ionic structure with ions Ca2+ and C22. Give the valence bond... Problem 10.88QP: Write Lewis formulas for the BF molecule (two with a single BF bond, two with a double BF bond, and... Problem 10.89QP: Boron trifluoride, BF3, reacts with ammonia, NH3, to form an addition compound, BF3NH3. Describe the... Problem 10.90QP Problem 10.91QP: Allene (1,2-propadicne), a gas, has the following structure: What is the hybridization at each... Problem 10.92QP Problem 10.93QP: The triiodide ion, I3, and the azide ion, N3, have similar skeleton formulas: IIINNN Otherwise, how... Problem 10.94QP: Hydrogen azide (also known as hydrazoic acid), HN3, is a covalent molecule in which the hydrogen... Problem 10.95QP Problem 10.96QP: A molecule XF6 (having no lone pairs) has a dipole moment of zero. (X denotes an unidentified... Problem 10.97QP: Describe the molecular orbital configurations of C2, C2, and C22. What are the bond orders of these... Problem 10.98QP Problem 10.99QP: Three different compounds have the same molecular formula, C2H2F2; call them A, B, and C. Compound A... Problem 10.100QP Problem 10.101QP Problem 10.102QP: Solid sulfur normally consists of crystals of S8 molecules, but when heated strongly, the solid... Problem 10.103QP Problem 10.104QP: Consider the bonding in nitrate ion, NO3. First draw resonance formulas of this ion. Now describe... Problem 10.105QP: A molecular compound is composed of 52.5% Xe, 19.2% O, and 28.3% Cl, by mass. If the molecular... Problem 10.106QP: A molecular compound is composed of 58.8% Xe, 7.2%. O, and 34.0%. F, by mass. If the molecular... Problem 10.107QP: A compound of chlorine and fluorine. ClFn, reacts at about 75C with uranium metal to produce uranium... Problem 10.108QP: Excess fluorine, F2(g), reacts at 150C with bromine, Br2(g), to give a compound BrFn. If 423 mL... Problem 10.109QP Problem 10.110QP: One resonance formula of benzene, C6H6, is What is the other resonance formula? What is the geometry... format_list_bulleted