The reaction of 1,3-butadiene with HCI produces two addition products. (See below) H-CI CH=CH CH-CH3 CH, CH=CH CH3 + CH CH CH=CH2 CI I II The relative amounts of the products that form is strongly temperature dependent. Here are the results: At 0°C, the following product composition is observed: product (71%), product II (29%). At 42°C, the following product composition is observed: product I (15%), product II (85%). ANSWER THE FOLLOWING QUESTION: Why does the addition product II predominate at the higher temperature (42°C)? Select one: A. Product Il is less sterically hindered, so it predominates. B. At higher temperature, the reaction is kinetically controlled: product II forms faster, so product II predominates. C. Product II predominates at higher temperature because it has more t electron delocalization than product I. D. At higher temperature, the reaction is equilibrium controlled: product
The reaction of 1,3-butadiene with HCI produces two addition products. (See below) H-CI CH=CH CH-CH3 CH, CH=CH CH3 + CH CH CH=CH2 CI I II The relative amounts of the products that form is strongly temperature dependent. Here are the results: At 0°C, the following product composition is observed: product (71%), product II (29%). At 42°C, the following product composition is observed: product I (15%), product II (85%). ANSWER THE FOLLOWING QUESTION: Why does the addition product II predominate at the higher temperature (42°C)? Select one: A. Product Il is less sterically hindered, so it predominates. B. At higher temperature, the reaction is kinetically controlled: product II forms faster, so product II predominates. C. Product II predominates at higher temperature because it has more t electron delocalization than product I. D. At higher temperature, the reaction is equilibrium controlled: product
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:The reaction of 1,3-butadiene with HCI produces two addition products. (See
below)
H-CI
CH CH CH-CH3
CH, CH=CH CH3
+
CH CH CH=CH2
CI
I
II
The relative amounts of the products that form is strongly temperature
dependent. Here are the results:
At 0°C, the following product composition is observed: product (71%),
product II (29%).
At 42°C, the following product composition is observed: product I (15%),
product II (85%).
ANSWER THE FOLLOWING QUESTION: Why does the addition product II
predominate at the higher temperature (42°C)?
Select one:
A. Product Il is less sterically hindered, so it predominates.
B. At higher temperature, the reaction is kinetically controlled: product II
forms faster, so product II predominates.
C. Product II predominates at higher temperature because it has more t
electron delocalization than product I.
D. At higher temperature, the reaction is equilibrium controlled: product
Il is more stable than product I, so product Il predominates.
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