1 The Nature Of Chemistry 2 Chemical Compounds 3 Chemical Reactions 4 Energy And Chemical Reactions 5 Electron Configurations And The Periodic Table 6 Covalent Bonding 7 Molecular Structures 8 Properties Of Gases 9 Liquids, Solids, And Materials 10 Fuels, Organic Chemicals, And Polymers 11 Chemical Kinetics: Rates Of Reactions 12 Chemical Equilibrium 13 The Chemistry Of Solutes And Solutions 14 Acids And Bases 15 Additional Aqueous Equilibria 16 Thermodynamics: Directionality Of Chemical Reactions 17 Electrochemistry And Its Applications 18 Nuclear Chemistry 19 The Chemistry Of The Main-group Elements 20 Chemistry Of Selected Transition Elements And Coordination Compounds expand_more
6.1 Covalent Bonding 6.2 Single Covalent Bonds And Lewis Structures 6.3 Single Covalent Bonds In Hydrocarbons 6.4 Multiple Covalent Bonds 6.5 Multiple Covalent Bonds In Hydrocarbons 6.6 Bond Properties: Bond Length; Bond Energy 6.7 Bond Properties: Polarity; Electronegativity 6.8 Formal Charge 6.9 Lewis Structues And Resonance 6.10 Exceptions To The Octet Rule 6.11 Aromatic Compounds 6.12 Molecular Orbital Theory Chapter Questions expand_more
Problem 1QRT Problem 2QRT Problem 3QRT Problem 4QRT Problem 5QRT Problem 6QRT Problem 7QRT: Which of these molecules have an odd number of valence electrons: NO2, SCl2, NH3, NO3? Problem 8QRT Problem 9QRT Problem 10QRT Problem 11QRT Problem 12QRT Problem 13QRT: Explain in your own words why the energy of two H atoms is lower when the atoms are 74 pm apart than... Problem 14QRT Problem 15QRT Problem 16QRT Problem 17QRT Problem 18QRT Problem 19QRT Problem 20QRT:
Write Lewis structures for
tetracyanoethene, C6N4
Problem 21QRT Problem 22QRT Problem 23QRT Problem 24QRT Problem 25QRT Problem 26QRT Problem 27QRT Problem 28QRT Problem 29QRT Problem 30QRT: For each pair of bonds, predict which is the shorter. (a) SiN or PO (b) SiO or CO (c) CF or CBr (d)... Problem 31QRT Problem 32QRT Problem 33QRT: Which bond requires more energy to break: the carbon-oxygen bond in formaldehyde, H2CO, or the... Problem 34QRT:
Estimate ΔrH° for forming 2 mol ammonia from molecular nitrogen and molecular hydrogen. Is this... Problem 35QRT Problem 36QRT: Light of appropriate wavelength can break chemical bonds. Light having λ < 240 nm can dissociate... Problem 37QRT Problem 38QRT Problem 39QRT Problem 40QRT: Acrolein is the starting material for certain plastics. (a) Which bonds in the molecule are polar... Problem 41QRT Problem 42QRT Problem 43QRT: Write the correct Lewis structure and assign a formal charge to each atom in fulminate ion, CNO. Problem 44QRT Problem 45QRT Problem 46QRT: Two Lewis structures can be written for nitrosyl fluoride, which contains one nitrogen, one oxygen,... Problem 47QRT Problem 48QRT Problem 49QRT Problem 50QRT Problem 51QRT: Several Lewis structures can be written for perbromate ion, , the central Br with all single Br—O... Problem 52QRT Problem 53QRT Problem 54QRT Problem 55QRT Problem 56QRT: Draw resonance structures for each of these ions: NSO− and SNO−. (The atoms are bonded in the order... Problem 57QRT: Three known isomers exist of N2CO, with the atoms in these sequences: NOCN; ONNC; and ONCN. Write... Problem 58QRT: Write the Lewis structure for (a) BrF5 (b) IF5 (c) IBr2 Problem 59QRT: Write the Lewis structure for
BrF3
XeF4
Problem 60QRT Problem 61QRT Problem 62QRT Problem 63QRT: All carbon-to-carbon bond lengths are identical in benzene. Does this argue for or against the... Problem 64QRT Problem 65QRT Problem 66QRT Problem 67QRT Problem 68QRT Problem 69QRT Problem 70QRT Problem 71QRT: Using just a periodic table (not a table of electronegativities), decide which of these is likely to... Problem 72QRT: The CBr bond length in CBr4 is 191 pm; the BrBr distance in Br2 is 228 pm. Estimate the radius of a... Problem 73QRT Problem 74QRT:
Acrylonitrile is the building block of the synthetic fiber Orlon.
Acrylonitrile
Which... Problem 75QRT Problem 76QRT: Write Lewis structures for (a) SCl2 (b) Cl3+ (c) SOCl2 (d) ClOClO3 (contains ClOCl bond) Problem 77QRT Problem 78QRT Problem 79QRT: A student drew this incorrect Lewis structure for . What errors were made when determining the... Problem 80QRT: This Lewis structure for SF5+ is drawn incorrectly. What error was made when determining the number... Problem 81QRT: Tribromide, Br3, and triiodide, I3, ions are often found in aqueous solutions, but trifluoride ion,... Problem 82QRT: Explain why nonmetal atoms in Period 3 and beyond can accommodate greater than an octet of electrons... Problem 83QRT Problem 84QRT Problem 85QRT Problem 86QRT Problem 89QRT: Which of these molecules is least likely to exist: NF5, PF5, SbF5, or IF5? Explain why. Problem 90QRT: Write the Lewis structure for nitrosyl fluoride, FNO. Using only a periodic table, identify (a)... Problem 91QRT Problem 92QRT: Methylcyanoacrylate is the active ingredient in super glues. Its Lewis structure is In this... Problem 93QRT: Aspirin is made from salicylic acid, which has this Lewis structure: (a) Which is the longest... Problem 94QRT Problem 95QRT Problem 96QRT Problem 97QRT Problem 98QRT Problem 99QRT: Nitrosyl azide, N4O, is a pale yellow solid first synthesized in 1993. Write the Lewis structure for... Problem 100QRT: Write the Lewis structures for (a) (Cl2PN)3 (b) (Cl2PN)4 Problem 101QRT: Nitrous oxide, N2O, is a linear molecule that has the two nitrogen atoms adjacent to each other.... Problem 102QRT: The azide ion, N3, has three resonance hybrid structures. (a) Write the Lewis structure of each. (b)... Problem 103QRT: Hydrazoic acid, HN3, has three resonance hybrid structures. (a) Write the Lewis structure of each.... Problem 104QRT Problem 105QRT: Experimental evidence indicates the existence of HC3N molecules in interstellar clouds. Write a... Problem 106QRT Problem 107QRT Problem 108QRT: Pipeline, the active ingredient in black pepper, has this structural formula (a) Write the molecular... Problem 109QRT: Sulfur and oxygen form a series of 2 anions including sulfite, SO32, and sulfate, SO42. In addition... Problem 110QRT Problem 111QRT Problem 112QRT Problem 113QRT Problem 114QRT Problem 115QRT Problem 116QRT Problem 117QRT Problem 118QRT Problem 6.ACP Problem 6.BCP Problem 6.CCP format_list_bulleted
