CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 8.68SP
Bupropion, marketed as Wellbutr in, is a heavily prescribed medication used in the treatment of depression. Complete the following electron-dot structure for Bupropion by adding lone pairs of electrons.
(a) How many
(b) Give the hybridization of each carbon atom in the molecule.
(c) Give the bond angles of each carbon atom.
(d) Give the hybridization of the N atom in the molecule.
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Azo 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 given
(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 π 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…
Butadiene, 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.
Chapter 8 Solutions
CHEMISTRY-TEXT
Ch. 8 - Prob. 8.1PCh. 8 - What is the number and geometric arrangement of...Ch. 8 - PRACTICE 8.3 Acetic acid, CH3CO2H , is the main...Ch. 8 - APPLY 8.4 Benzene, C6H6 , is a cyclic molecule in...Ch. 8 - PRACTICE 8.5 Identify the orbitals that overlap to...Ch. 8 - APPLY 8.6 Describe the bonding in propane, C3H8 ,...Ch. 8 - PRACTICE 8.7 Describe the hybridization of the...Ch. 8 - Describe the hybridization of each carbon atom in...Ch. 8 - Which orbitals overlap to form the sigma and pi...Ch. 8 - APPLY 8.10 Describe the hybridization of the...
Ch. 8 - Prob. 8.11PCh. 8 - Conceptual APPLY 8.12 Match the following...Ch. 8 - Prob. 8.13PCh. 8 - Prob. 8.14ACh. 8 - Prob. 8.15PCh. 8 - Prob. 8.16ACh. 8 - Prob. 8.17ACh. 8 - Prob. 8.18ACh. 8 - The B2 molecule has a MO diagram similar to that...Ch. 8 - Prob. 8.20ACh. 8 - PRACTICE 8.23 Draw two resonance structures for...Ch. 8 - APPLY 8.24 Draw two resonance structures for the...Ch. 8 - Prob. 8.23PCh. 8 - Prob. 8.24PCh. 8 - Caffeine is the most widely used stimulant...Ch. 8 - Prob. 8.26PCh. 8 - What is the geometry around the central atom in...Ch. 8 - What is the geometry around the central atom in...Ch. 8 - Three of the following molecular models have a...Ch. 8 - Identify each of the following sets of hybrid...Ch. 8 - The VSEPR model is a simple predictive tool that...Ch. 8 - The following ball-and-stick molecular model is a...Ch. 8 - The following ball-and-stick molecular model is a...Ch. 8 - Prob. 8.34CPCh. 8 - The dipole moment of methanol is =1.70D . Use...Ch. 8 - Methylarnine, CH3NH2 , is responsible for the odor...Ch. 8 - Prob. 8.37CPCh. 8 - Prob. 8.38SPCh. 8 - What shape do you expect for molecules that meet...Ch. 8 - How many charge clouds are there around the...Ch. 8 - Prob. 8.41SPCh. 8 - What shape do you expect for each of the following...Ch. 8 - What shape do you expect for each of the following...Ch. 8 - What shape do you expect for each of the following...Ch. 8 - Prob. 8.45SPCh. 8 - Prob. 8.46SPCh. 8 - What shape do you expect for each of the following...Ch. 8 - What bond angles do you expect for each of the...Ch. 8 - What bond angles do you expect for each of the...Ch. 8 - Acrylonitrile is used as the starting material for...Ch. 8 - Predict values for all bond angles in dimethyl...Ch. 8 - Oceanographers study the mixing of water masses by...Ch. 8 - A potential replacement for the chlorofluorocarbon...Ch. 8 - Explain why cyclohexane, a substance that contains...Ch. 8 - Like cyclohexane (Problem 8.54), benzene also...Ch. 8 - Use VSEPR theory to answer the following...Ch. 8 - Draw an electron-dot structure for each of the...Ch. 8 - What is the difference in spatial distribution...Ch. 8 - The average CC bond dissociation energy (D) is 350...Ch. 8 - What hybridization do you expect for atoms that...Ch. 8 - What spatial arrangement of charge clouds...Ch. 8 - What hybridization would you expect for the...Ch. 8 - What hybridization would you expect for the...Ch. 8 - Oxaloacetic acid is an intermediate involved in...Ch. 8 - The atoms in the amino acid glycine are connected...Ch. 8 - Describe the hybridization of the carbon atom in...Ch. 8 - Describe the hybridization of each carbon atom in...Ch. 8 - Bupropion, marketed as Wellbutr in, is a heavily...Ch. 8 - Efavirenz, marketed as Sustiva, is a medication...Ch. 8 - What is the hybridization of the B and N atoms in...Ch. 8 - Prob. 8.71SPCh. 8 - Aspirin has the following connections among atoms....Ch. 8 - The cation [HCNXeF]+ is entirely linear. Draw an...Ch. 8 - Acrylonitrile (C3H3N) is a molecule that is...Ch. 8 - The odor of cinnamon oil is due to cinnamaldehyde,...Ch. 8 - The following molecular model is a representation...Ch. 8 - Prob. 8.77SPCh. 8 - Which of the following substances would you expect...Ch. 8 - Which of the following substances would you expect...Ch. 8 - Why is the dipole moment of SO2 1.63 D hut that of...Ch. 8 - Prob. 8.81SPCh. 8 - The class of ions PtX42 , where X is a halogen,...Ch. 8 - Prob. 8.83SPCh. 8 - Prob. 8.84SPCh. 8 - Prob. 8.85SPCh. 8 - Prob. 8.86SPCh. 8 - Prob. 8.87SPCh. 8 - What are the most important kinds of...Ch. 8 - Of the substances Xe, CH3Cl , and HF which has:...Ch. 8 - Methanol (CH3OH;bp=65C) boils nearly 230 °C higher...Ch. 8 - Prob. 8.91SPCh. 8 - Prob. 8.92SPCh. 8 - Prob. 8.93SPCh. 8 - A liquid sample contains methylamine (CH3NH2)...Ch. 8 - Prob. 8.95SPCh. 8 - What is the difference in spatial distribution...Ch. 8 - Prob. 8.97SPCh. 8 - Use the MO energy diagram in Figure 8.22b to...Ch. 8 - Use the MO energy diagram in Figure 8.22 a to...Ch. 8 - The C2 molecule can be represented by an MO...Ch. 8 - Prob. 8.101SPCh. 8 - Prob. 8.102SPCh. 8 - Prob. 8.103SPCh. 8 - Draw a molecular orbital energy diagram for Li2 ....Ch. 8 - Calcium carbide, CaC2 , reacts with water to...Ch. 8 - At high temperatures, sulfur vapor is...Ch. 8 - Carbon monoxide is produced by incomplete...Ch. 8 - Make a sketch showing the location and geometry of...Ch. 8 - Make a sketch showing the location and geometry of...Ch. 8 - Prob. 8.110MPCh. 8 - Prob. 8.111MPCh. 8 - Prob. 8.112MPCh. 8 - Prob. 8.113MPCh. 8 - Just as individual bonds in a molecule are often...Ch. 8 - Cyclooctatetraenedian ion, C8H82 , is an organic...
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