21. Predict the final product(s) for the following sequence of reactions: 1. NaNH, 2. CH3CH₂1 3. Liº in liq. NH3 H3C-CC-H A. C. H3C-CC-I H3C. H H H B. D. H3C. H H3C. H C H CH₂CH3 .Н CH₂CH3
21. Predict the final product(s) for the following sequence of reactions: 1. NaNH, 2. CH3CH₂1 3. Liº in liq. NH3 H3C-CC-H A. C. H3C-CC-I H3C. H H H B. D. H3C. H H3C. H C H CH₂CH3 .Н CH₂CH3
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 21: Predict the final product(s) for the following sequence of reactions:**
Starting Material:
\[ \text{H}_3\text{C} \equiv \text{C} - \text{C} \equiv \text{C} - \text{H} \]
Reagents:
1. \(\text{NaNH}_2\)
2. \(\text{CH}_3\text{CH}_2\text{I}\)
3. \(\text{Li}^0\) in \(\text{liq. NH}_3\)
Potential Products:
- **A.** \(\text{H}_3\text{C} \equiv \text{C} - \text{C} - \text{I}\)
- **B.** \(\text{H}_3\text{C} - \text{CH} = \text{C} - \text{CH}_2\text{CH}_3\)
- **C.** \(\text{H}_3\text{C} - \text{CH} = \text{CH} - \text{CH}_3\)
- **D.** \(\text{H}_3\text{C} - \text{C} = \text{CH} - \text{CH}_2\text{CH}_3\)
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### Explanation:
1. **Graph Analysis:**
- The starting material is a terminal alkyne \(\text{H}_3\text{C} \equiv \text{C} - \text{C} \equiv \text{C} - \text{H}\).
- The reagents are involved in a typical sequence for alkyne transformations, possibly leading to various alkene and alkyne products.
2. **Product Descriptions:**
- **A:** Represents an alkyne with an iodine substituent.
- **B, C, D:** Represent different alkene configurations with substitutions at various positions.
Each product reflects possible outcomes from the reaction sequence, depending on the application of the reagents at each step.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5b9b63d5-a67e-498f-bddd-ad3fc15bf389%2F80533134-82e2-4a32-bdae-062dd1f1bdc7%2Fvkusg1kw_processed.png&w=3840&q=75)
Transcribed Image Text:---
**Question 21: Predict the final product(s) for the following sequence of reactions:**
Starting Material:
\[ \text{H}_3\text{C} \equiv \text{C} - \text{C} \equiv \text{C} - \text{H} \]
Reagents:
1. \(\text{NaNH}_2\)
2. \(\text{CH}_3\text{CH}_2\text{I}\)
3. \(\text{Li}^0\) in \(\text{liq. NH}_3\)
Potential Products:
- **A.** \(\text{H}_3\text{C} \equiv \text{C} - \text{C} - \text{I}\)
- **B.** \(\text{H}_3\text{C} - \text{CH} = \text{C} - \text{CH}_2\text{CH}_3\)
- **C.** \(\text{H}_3\text{C} - \text{CH} = \text{CH} - \text{CH}_3\)
- **D.** \(\text{H}_3\text{C} - \text{C} = \text{CH} - \text{CH}_2\text{CH}_3\)
---
### Explanation:
1. **Graph Analysis:**
- The starting material is a terminal alkyne \(\text{H}_3\text{C} \equiv \text{C} - \text{C} \equiv \text{C} - \text{H}\).
- The reagents are involved in a typical sequence for alkyne transformations, possibly leading to various alkene and alkyne products.
2. **Product Descriptions:**
- **A:** Represents an alkyne with an iodine substituent.
- **B, C, D:** Represent different alkene configurations with substitutions at various positions.
Each product reflects possible outcomes from the reaction sequence, depending on the application of the reagents at each step.
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