Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 41GQ
Cinnamaldehyde ocaus naturally in cinnamon oil.
(a) What is the most polar bond in the molecule?
(b) How many σ bonds and how many π bonds are there?
(c) Is cis-trans isomerism possible? If so, draw the isomers of the molecule.
(d) Give the hybridization of the C atoms in the molecule.
(e) What are the values of the bond angles 1, 2, and 3 ?
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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.
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Chapter 9 Solutions
Chemistry & Chemical Reactivity
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