Based on the IR stretching frequency value listed, choose the best molecule that matches the information. 3200 (br), 2970, 1715 cm HO NH OH NH₂ OH
Based on the IR stretching frequency value listed, choose the best molecule that matches the information. 3200 (br), 2970, 1715 cm HO NH OH NH₂ OH
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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9
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**Structure:** Cyclopentanone with a hydroxyl group (OH) attached to the carbon adjacent to the carbonyl carbon (C=O).
2. {:height="100px"}
**Structure:** Butyramide, with an amino group (NH2) attached to a carbon that is adjacent to a carbonyl carbon (C=O).
3. {:height="100px"}
**Structure:** Morpholine, consisting of a six-membered ring with five carbons, one nitrogen, and one oxygen.
4. {:height="100px"}
**Structure:** 1,3-Propane diol, with hydroxyl groups (OH) attached to the first and third carbons.
#### Analysis
**Interpretation of IR Stretching Frequency:**
1. **3200 cm⁻¹ (broad, br)**: This typically indicates the presence of an OH group.
2. **2970 cm⁻¹**: Corresponds to C-H stretching.
3. **1715 cm⁻¹**: Suggests the presence of a carbonyl group (C=O).
#### Conclusion
Based on the presence of an OH group, C-H stretching, and a carbonyl group, the best-matching molecule among the options provided is the first one: **Cyclopentanone with an OH group**.
To analyze this in context of functional groups:
- **Cyclopentanone with an OH group**: Contains an OH group (3200 cm⁻¹ br), C-H bonds (2970 cm⁻¹), and a carbonyl group (1715 cm⁻¹), fitting all criteria.
#### Final Answer
**Select Option 1:** Cyclopentanone with an OH group](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7323f76-5a9c-46b6-9930-86cefe6607d1%2F9c5376ad-2ada-4ac9-9e32-54b9e536d661%2F49989f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Identifying the Molecule Using IR Stretching Frequency Values
#### Instructions
Based on the IR stretching frequency value listed, choose the best molecule that matches the information:
**3200 (br), 2970, 1715 cm⁻¹**
#### Options
1. {:height="100px"}
**Structure:** Cyclopentanone with a hydroxyl group (OH) attached to the carbon adjacent to the carbonyl carbon (C=O).
2. {:height="100px"}
**Structure:** Butyramide, with an amino group (NH2) attached to a carbon that is adjacent to a carbonyl carbon (C=O).
3. {:height="100px"}
**Structure:** Morpholine, consisting of a six-membered ring with five carbons, one nitrogen, and one oxygen.
4. {:height="100px"}
**Structure:** 1,3-Propane diol, with hydroxyl groups (OH) attached to the first and third carbons.
#### Analysis
**Interpretation of IR Stretching Frequency:**
1. **3200 cm⁻¹ (broad, br)**: This typically indicates the presence of an OH group.
2. **2970 cm⁻¹**: Corresponds to C-H stretching.
3. **1715 cm⁻¹**: Suggests the presence of a carbonyl group (C=O).
#### Conclusion
Based on the presence of an OH group, C-H stretching, and a carbonyl group, the best-matching molecule among the options provided is the first one: **Cyclopentanone with an OH group**.
To analyze this in context of functional groups:
- **Cyclopentanone with an OH group**: Contains an OH group (3200 cm⁻¹ br), C-H bonds (2970 cm⁻¹), and a carbonyl group (1715 cm⁻¹), fitting all criteria.
#### Final Answer
**Select Option 1:** Cyclopentanone with an OH group
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