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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Give the major organic product(s) for the following reaction
Transcribed Image Text:### Chemical Reaction of an Alkyne
**Chemical Structure:**
- The image shows a structural formula of a terminal alkyne, featuring a carbon-carbon triple bond. This specific compound is 3-methyl-1-butyne.
**Reaction Conditions:**
- The alkyne is reacted with water (H₂O) and sulfuric acid (H₂SO₄) in the presence of mercuric sulfate (HgSO₄) as a catalyst, indicated by the right-facing arrow.
**Explanation:**
- This reaction describes the hydration of an alkyne to form a ketone, known as "oxymercuration-demercuration." It is a common method used to hydrate alkynes, leading to the Markovnikov addition of water across the triple bond. The triple bond is converted into a carbonyl group resulting in a ketone. In this reaction, the presence of the mercury catalyst facilitates the addition of the water molecule to the more substituted carbon.
**Key Terms:**
- **Alkyne:** A hydrocarbon containing a carbon-carbon triple bond.
- **Oxymercuration-Demercuration:** A two-step chemical reaction process typically used to convert alkynes to ketones.
- **Markovnikov Addition:** A regioselective addition reaction where the more substituted carbon receives the hydrogen from the added water in an unsymmetrical alkene.
This process is an essential reaction in organic chemistry, providing a method to transform alkynes into ketones under acidic conditions.
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