Test Prep Series for AP Chemistry for Chemistry: The Central Science 14th ed AP
14th Edition
ISBN: 9780134661483
Author: Edward L Waterman
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 78AE
A new compound is made that has an N-N bond length of 1.26 A. Is this bond likely to be a single, double, or triple N-N bond?
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To anyone who will answer this correctly, thank you.
A scientist studies the bond energies of different compounds containing nitrogen (N). The scientist observes that the N–N bonds in one group of compounds have a bond energy of 209 kJ/mol, while the N–N bonds in another group of compounds have a bond energy of 418 kJ/mol. In one or two sentences, postulate a reason for this difference.
What possible error(s) exist in the Lewis structure (assume we are trying to represent the best
possible Lewis structure for the NO₂S ion knowing N is the central atom in this polyatomic ion)?
[:ö==S:
N=
CO
:O:
The best structure would have double bond and two lone pairs on each oxygen atom and a single bond with
three lone pairs on the sulfur.
There are no errors. This is the best possible structure.
The Lewis structure above does not minimize formal charges, thus is the not the best possible structure.
The nitrogen atom has an expanded octet, and this structure is impossible.
The Lewis structure contains the wrong number of electrons, thus this structure is impossible.
Chapter 8 Solutions
Test Prep Series for AP Chemistry for Chemistry: The Central Science 14th ed AP
Ch. 8.2 - Which of the these elements is most likely to from...Ch. 8.2 - Prob. 8.1.2PECh. 8.2 - Which of the following bond is the most polar? H-F...Ch. 8.2 - Prob. 8.2.2PECh. 8.3 - Prob. 8.3.1PECh. 8.3 - Prob. 8.3.2PECh. 8.4 - Which of the following bonds is the most polar? a....Ch. 8.4 - Which of the following bonds is most polar: S-Cl,...Ch. 8.4 - Prob. 8.5.1PECh. 8.4 - The dipole moment of chlorine monofluoride,...
Ch. 8.5 - Which of the these molecules has a Lewis structure...Ch. 8.5 -
How many valence electrons should appear in the...Ch. 8.5 - Compare the lewis symbol for neon the structure...Ch. 8.5 - Prob. 8.7.2PECh. 8.5 - Prob. 8.8.1PECh. 8.5 - Prob. 8.8.2PECh. 8.5 - Prob. 8.9.1PECh. 8.5 - Prob. 8.9.2PECh. 8.6 - Which of the statements about resonance is true?...Ch. 8.6 - Prob. 8.10.2PECh. 8.7 - Prob. 8.11.1PECh. 8.7 - Prob. 8.11.2PECh. 8 - Prob. 1DECh. 8 - Prob. 1ECh. 8 - Prob. 2ECh. 8 - A portion of a two-dimensional "slab" of NaCl(s)...Ch. 8 - Prob. 4ECh. 8 - Prob. 5ECh. 8 - Incomplete Lewis structures for the nitrous acid...Ch. 8 - Prob. 7ECh. 8 - Prob. 8ECh. 8 - Prob. 9ECh. 8 - True or false: The hydrogen atom is most stable...Ch. 8 - Consider the element silicon, Si. Write its...Ch. 8 - Write the electron configuration for the element...Ch. 8 - Prob. 13ECh. 8 - What is the Lewis symbol for each of the following...Ch. 8 - Using Lewis symbols, diagram the reaction between...Ch. 8 - Use Lewis symbols to represent the reaction that...Ch. 8 - Predict the chemical formula of the ionic compound...Ch. 8 - Prob. 18ECh. 8 - Prob. 19ECh. 8 - Prob. 20ECh. 8 - Is lattice energy usually endothermic or...Ch. 8 - NaCI and KF have the same crystal structure. The...Ch. 8 - Prob. 23ECh. 8 - Prob. 24ECh. 8 - Consider the ionic compounds KF, NaCl, NaBr, and...Ch. 8 - Which of the following trends in lattice energy is...Ch. 8 - Energy is required to remove two electrons from Ca...Ch. 8 - Prob. 28ECh. 8 - Use data from Appendix C, Figure 7.10, and Figure...Ch. 8 - Prob. 30ECh. 8 - Prob. 31ECh. 8 - Prob. 32ECh. 8 - Using Lewis symbols and Lewis structures, diagram...Ch. 8 - Use Lewis symbols and Lewis structures to diagram...Ch. 8 - Prob. 35ECh. 8 - Prob. 36ECh. 8 - Prob. 37ECh. 8 - What is the trend in electronegativity going from...Ch. 8 - Prob. 39ECh. 8 - By referring only to the periodic table, select...Ch. 8 - which of the following bonds are polar? B-F,...Ch. 8 - Arrange the bonds in each of the following sets in...Ch. 8 - Prob. 43ECh. 8 - Prob. 44ECh. 8 - In the following pairs of binary compounds,...Ch. 8 - Prob. 46ECh. 8 - Prob. 47ECh. 8 - Write Lewis structures for the following: H2CO...Ch. 8 - Prob. 49ECh. 8 - Draw the dominant Lewis structure for the...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - Prob. 52ECh. 8 - Prob. 53ECh. 8 - Prob. 54ECh. 8 - Prob. 55ECh. 8 - Prob. 56ECh. 8 - Prob. 57ECh. 8 - Prob. 58ECh. 8 - Prob. 59ECh. 8 - Prob. 60ECh. 8 - Prob. 61ECh. 8 - 8.62 For Group 3A-7A elements in the third row of...Ch. 8 - Draw the Lewis structures for each of the...Ch. 8 - Prob. 64ECh. 8 - In the vapor phase, BeCl2exists as a discrete...Ch. 8 -
8.66
Describe the molecule xenon trioxide, XeO3,...Ch. 8 -
8.67 There are many Lewis structures you could...Ch. 8 - Prob. 68ECh. 8 - Using Table 8.3, estimate H for each of the...Ch. 8 - Using Table 8.3, estimate H for the following...Ch. 8 - State whether each of these statements is true or...Ch. 8 - Prob. 72ECh. 8 - Prob. 73ECh. 8 - Prob. 74ECh. 8 - Prob. 75ECh. 8 - Prob. 76ECh. 8 - A new compound is made that has a C-C bond length...Ch. 8 - A new compound is made that has an N-N bond length...Ch. 8 - Prob. 79AECh. 8 - Prob. 80AECh. 8 - An ionic substance of formula MX has a lattice...Ch. 8 - Prob. 82AECh. 8 - Prob. 83AECh. 8 - Prob. 84AECh. 8 - Consider the collection of nonmetallic elements 0,...Ch. 8 - The substance chlorine monoxide, CIO(g), is...Ch. 8 -
[8.87]
a. using the electronegativities of Br...Ch. 8 - Prob. 88AECh. 8 - Although I3- is a known ion, F3- is not. a. Draw...Ch. 8 - Calculate the formal charge on the indicated atom...Ch. 8 - The hypochlorite ion, CIO- , is the active...Ch. 8 - Prob. 92AECh. 8 - a. Triazine, C3 H3N3, is like benzene except that...Ch. 8 - Prob. 94IECh. 8 - Prob. 95IECh. 8 - Prob. 96IECh. 8 - Prob. 97IECh. 8 - Prob. 98IECh. 8 - Prob. 99IECh. 8 - Prob. 100IECh. 8 - Prob. 101IECh. 8 - Prob. 102IECh. 8 -
8.103 The compound chloral hydrate, known in...Ch. 8 - Barium azide is 62.04% Ba and 37.96% N. Each azide...Ch. 8 - Acetylene (C2H2) and nitrogen (N2) both contain a...Ch. 8 - Prob. 106IECh. 8 - Prob. 107IECh. 8 -
8.108 Formic acid has the chemical formula...Ch. 8 - Prob. 109IECh. 8 - Prob. 110IE
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- Write all resonance structures of chlorobenzene, C6H5Cl, a molecule with the same cyclic structure as benzene. In all structures, keep the CCl bond as a single bond. Which resonance structures are the most important?arrow_forwardA common trait of simple organic compounds is to have Lewis structures where all atoms have a formal charge of zero. Consider the following incomplete Lewis structure for an organic compound called methyl cyanoacrylate, the main ingredient in Super Glue. Draw a complete Lewis structure for methyl cyanoacrylate in which all atoms have a formal charge of zero.arrow_forwardGiven the bonds C N, C H, C Br, and S O, (a) which atom in each is the more electronegative? (b) which of these bonds is the most polar?arrow_forward
- Which of the following compounds requires the most energy to convert one mole of the solid into separate ions? (a) MgO (b) SrO (c) KF (d) CsF (e) MgF2arrow_forwardFour hypothetical elements, A, B, C, and D, have electronegativities A = 3.8, B = 3.3, C = 2.8, and D = 1.3. These elements form the compounds BA, DA, DB, and CA. Arrange the compounds in order of a. Increasing ionic bond character b. Decreasing covalent bond characterarrow_forwardWrite the Lewis structure for nitrosyl fluoride, FNO. Using only a periodic table, identify (a) which is the longer bond. (b) which is the stronger bond. (c) which is the more polar bond.arrow_forward
- Four hypothetical elements, A, B, C, and D, have electronegativities A = 3.4, B = 3.1, C = 2.5, end D = 1.7. These elements form the compounds CB, DC, DA, and BA. Arrange the compounds in order of a. Increasing ionic bond character b. Decreasing covalent bond characterarrow_forwardAcetic acid has the structure CH3CO(OH), in which the OH group is bonded to a C atom. The two carbonoxygen bonds have different lengths. When an acetic acid molecule loses the H from the OH group to form the acetate ion, the two carbonoxygen bonds become equal in length. Explain.arrow_forwardMethylcyanoacrylate is the active ingredient in super glues. Its Lewis structure is In this molecule, which is the (a) weakest carbon-containing bond? (b) strongest carbon-containing bond? (c) most polar bond?arrow_forward
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