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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![**Question:**
What is the major product of the following reaction?
**Reaction:**
\[
\text{Phenylacetylene} + \text{H}_2\text{O} \xrightarrow{\text{H}_2\text{SO}_4, \text{HgSO}_4} \text{?}
\]
**Options:**
I. -CCH3)
II. -CH2-OH)
III. -CH3)
IV. 
V. -CH2-OH)
**Select one:**
- a. I
- b. II
- c. III
- d. IV
- e. V
**Explanation:**
This question involves an organic reaction of phenylacetylene (an alkyne) with water in the presence of sulfuric acid (H₂SO₄) and mercuric sulfate (HgSO₄). This is a typical reaction for the hydration of alkynes, which yields ketones (Markovnikov addition). Here, the triple bond of phenylacetylene reacts with water, resulting in the formation of a ketone.
**Correct Answer:**
Option I (Phenylacetone) is the correct major product of this reaction. Sulfuric acid and mercuric sulfate catalyze the formation of the enol intermediate, which tautomerizes to the more stable keto form.
**Diagram Explanation (if applicable):**
There are no graphs or diagrams beyond the chemical structures and reaction schemes provided in the options. Each option shows a different chemical structure, representing a potential product of the reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbb0540d8-126b-4df1-bdb3-c8d176e8543c%2Fbf552fc0-cbeb-4a7e-a5c3-eadd3f736d4a%2Fxldzuk9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question:**
What is the major product of the following reaction?
**Reaction:**
\[
\text{Phenylacetylene} + \text{H}_2\text{O} \xrightarrow{\text{H}_2\text{SO}_4, \text{HgSO}_4} \text{?}
\]
**Options:**
I. -CCH3)
II. -CH2-OH)
III. -CH3)
IV. 
V. -CH2-OH)
**Select one:**
- a. I
- b. II
- c. III
- d. IV
- e. V
**Explanation:**
This question involves an organic reaction of phenylacetylene (an alkyne) with water in the presence of sulfuric acid (H₂SO₄) and mercuric sulfate (HgSO₄). This is a typical reaction for the hydration of alkynes, which yields ketones (Markovnikov addition). Here, the triple bond of phenylacetylene reacts with water, resulting in the formation of a ketone.
**Correct Answer:**
Option I (Phenylacetone) is the correct major product of this reaction. Sulfuric acid and mercuric sulfate catalyze the formation of the enol intermediate, which tautomerizes to the more stable keto form.
**Diagram Explanation (if applicable):**
There are no graphs or diagrams beyond the chemical structures and reaction schemes provided in the options. Each option shows a different chemical structure, representing a potential product of the reaction.
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