General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Chapter 5.7, Problem 5.15P
Draw two electron-dot resonance structures for the formate ion, HCO2−, and sketch a π molecular orbital showing how the π electrons are delocalized over both oxygen atoms.
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Draw the Lewis dot structure for acetic acid (HC2H3O2, CH3COOH). Determine the optimum formal charge structure. Determine the VSEPR domain and molecular geometries for the central carbon atoms. Determine the hybridization of the carbons and oxygens. Determine the polarity of the molecule; show the polarity arrows and partial charges for the molecule. (Electronegativities: H 2.1,C 2.5, O 3.5)
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Use the molecular orbital model to fully describe the bonding in O2+, O2, O2-, and O22-.Determine which of the following statements are true and which are false.
True or false? :
Bond length increases with increasing bond order while bond energy decreases.The number of unpaired electrons in O2- and O2 is, respectively, 1 and 2. The electron configuration of O2 is (σ2s)2(σ2s*)2(σ2p)2(π2p)4(π2p*)1. The electron configuration of O2- is (σ2s)2(σ2s*)2(σ2p)2(π2p)4(π2p*)3. The bond order in O2- and O22- is, respectively, 2.5 and 1. The bond lengths increase in the order: O22- < O2- < O2 < O2+.
Chapter 5 Solutions
General Chemistry: Atoms First
Ch. 5.1 - Predict the shapes of the following molecules or...Ch. 5.1 - Acetic acid, CH3CO2H, is the main organic...Ch. 5.1 - Benzene, C6H6, is a cyclic molecule in which all...Ch. 5.1 - What is the geometrical arrangement of charge...Ch. 5.3 - Describe the bonding in propane, C3H8, a fuel...Ch. 5.4 - Describe the hybridization of the carbon atom in...Ch. 5.4 - Describe the hybridization of each carbon atom in...Ch. 5.4 - Describe the hybridization of the carbon atom in...Ch. 5.4 - Describe the hybridization of the carbon atom in...Ch. 5.4 - Describe the hybridization of the carbon atom in...
Ch. 5.4 - Identify each of the following sets of hybrid...Ch. 5.4 - The following ball-and-stick molecular model is a...Ch. 5.5 - Construct an MO diagram for the He2+ ion. Is this...Ch. 5.6 - The B2 and C2 molecules have MO diagrams similar...Ch. 5.7 - Draw two electron-dot resonance structures for the...Ch. 5.7 - Why is molecular shape so important in biological...Ch. 5.7 - Prob. 5.17CPCh. 5 - What is the geometry around the central atom in...Ch. 5 - Prob. 5.19CPCh. 5 - Prob. 5.20CPCh. 5 - Prob. 5.21CPCh. 5 - Prob. 5.22CPCh. 5 - Prob. 5.23CPCh. 5 - Prob. 5.24SPCh. 5 - Prob. 5.25SPCh. 5 - Prob. 5.26SPCh. 5 - How many charge clouds are there around central...Ch. 5 - Prob. 5.28SPCh. 5 - Prob. 5.29SPCh. 5 - What shape do you expect for each of the following...Ch. 5 - Prob. 5.31SPCh. 5 - Prob. 5.32SPCh. 5 - Prob. 5.33SPCh. 5 - What bond angles do you expect for each of the...Ch. 5 - Prob. 5.35SPCh. 5 - Prob. 5.36SPCh. 5 - Prob. 5.37SPCh. 5 - Prob. 5.38SPCh. 5 - A potential replacement for the chlorofluorocarbon...Ch. 5 - Prob. 5.40SPCh. 5 - Prob. 5.41SPCh. 5 - Prob. 5.42SPCh. 5 - Prob. 5.43SPCh. 5 - What hybridization do you expect for atoms that...Ch. 5 - Prob. 5.45SPCh. 5 - Prob. 5.46SPCh. 5 - What hybridization would you expect for the...Ch. 5 - Prob. 5.48SPCh. 5 - Prob. 5.49SPCh. 5 - Prob. 5.50SPCh. 5 - Prob. 5.51SPCh. 5 - Prob. 5.52SPCh. 5 - Prob. 5.53SPCh. 5 - Prob. 5.54SPCh. 5 - Prob. 5.55SPCh. 5 - Prob. 5.56SPCh. 5 - Prob. 5.57SPCh. 5 - Prob. 5.58SPCh. 5 - Prob. 5.59SPCh. 5 - Prob. 5.60SPCh. 5 - Prob. 5.61SPCh. 5 - Prob. 5.62CHPCh. 5 - The following molecular model is a representation...Ch. 5 - Prob. 5.64CHPCh. 5 - Prob. 5.65CHPCh. 5 - Prob. 5.66CHPCh. 5 - Prob. 5.67CHPCh. 5 - Calcium carbide, CaC2, reacts with water to...Ch. 5 - Prob. 5.69CHPCh. 5 - The N2O5 molecule has six NO bonds and two NO ...Ch. 5 - In the cyanate ion, OCN, carbon is the central...Ch. 5 - Aspirin has the following connections among atoms....Ch. 5 - Prob. 5.73CHPCh. 5 - At high temperatures, sulfur vapor is...Ch. 5 - Carbon monoxide is produced by incomplete...Ch. 5 - Prob. 5.76CHPCh. 5 - Prob. 5.77CHPCh. 5 - Prob. 5.78CHPCh. 5 - The diatomic cyanide ion (CN) and nitrosonium ion...Ch. 5 - Prob. 5.80MPCh. 5 - Prob. 5.81MPCh. 5 - Prob. 5.82MP
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- The sulfamate ion, H2NSO3, can be thought of as having been formed from the amide ion, NH2, and sulphur trioxide, SO3. (a) What are the electron-pair and molecular geometries or the amide ion and or SO3? What are the hybridizations of the N and S atoms, respectively? (b) Sketch a structure for the sulfamate ion, and estimate the bond angles. (c) What changes in hybridization do you expect for N and S in the course of the reaction NH2 + SO3 H2NSO3? (d) Is SO3 the donor of an electron pair or the acceptor of an electron pair in the reaction with amide ion? Does the electrostatic potential map shown below confirm your prediction?arrow_forwarda Nitrogen trifluoride, NF3, is a relatively unreactive, colorless gas. How would you describe the bonding in the NF3 molecule in terms of valence bond theory? Use hybrid orbitals. b Silicon tetrafluoride, SiF4, is a colorless gas formed when hydrofluoric acid attacks silica (SiO2) or glass. Describe the bonding in the SiF4 molecule, using valence bond theory.arrow_forwardCalcium cyanamide, CaNCN, is used both to kill weeds and as a fertilizer. Give the Lewis structure of the NCN2 ion and the bonded-atom lone-pair arrangement and hybridization of the carbon atom.arrow_forward
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