Н.С — СН— -CH=CH2 1.48 Å 1.34 Å FCH , 1.34 Å

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.61PAE: 4.61 What is actually measured by the octane ratings of different grades of gasoline?
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Butadiene, C4H6, is a planar molecule that has the following
carbon–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.

Н.С — СН—
-CH=CH2
1.48 Å
1.34 Å
FCH ,
1.34 Å
Transcribed Image Text:Н.С — СН— -CH=CH2 1.48 Å 1.34 Å FCH , 1.34 Å
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