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03, Zn/H+

03, Zn/H+

Chemistry
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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23. Draw the product of the following reaction.

### Ozonolysis of an Alkyne **Chemical Reaction:** The image illustrates the ozonolysis reaction of a phenyl-substituted alkyne. The starting compound is phenylacetylene, which consists of a benzene ring (phenyl group) directly attached to an alkyne linkage (triple bond). **Reagents:** - \( O_3 \) (ozone) - \( \text{Zn/H}^+ \) (zinc in the presence of an acid) **Reaction Explanation:** - **Ozonolysis Process:** In this reaction, the alkyne undergoes ozonolysis. Ozone adds across the triple bond, cleaving it and forming an ozonide intermediate. Upon reduction with zinc and acid, this intermediate converts into carboxylic acids or ketones, depending on the specific structure of the alkyne. - **Expected Products:** For a terminal alkyne like phenylacetylene, ozonolysis typically yields a carboxylic acid and carbon dioxide. This transformation is useful for breaking down unsaturated compounds and analyzing their structure through the resulting oxidized fragments.
Transcribed Image Text:### Ozonolysis of an Alkyne **Chemical Reaction:** The image illustrates the ozonolysis reaction of a phenyl-substituted alkyne. The starting compound is phenylacetylene, which consists of a benzene ring (phenyl group) directly attached to an alkyne linkage (triple bond). **Reagents:** - \( O_3 \) (ozone) - \( \text{Zn/H}^+ \) (zinc in the presence of an acid) **Reaction Explanation:** - **Ozonolysis Process:** In this reaction, the alkyne undergoes ozonolysis. Ozone adds across the triple bond, cleaving it and forming an ozonide intermediate. Upon reduction with zinc and acid, this intermediate converts into carboxylic acids or ketones, depending on the specific structure of the alkyne. - **Expected Products:** For a terminal alkyne like phenylacetylene, ozonolysis typically yields a carboxylic acid and carbon dioxide. This transformation is useful for breaking down unsaturated compounds and analyzing their structure through the resulting oxidized fragments.
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