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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### Chemistry Quiz: Identifying Foul-Smelling Compounds
**Question:** Which of the following compounds would you expect to be foul smelling?
1. **CH₃CH₂CH₂OH**
2. **CH₃CH₂CH₂SH** (Selected Answer)
3. **CH₃CH₂CH₂CH₃**
4. **CH₃CH₂C=OCH₂CH₃**
**Explanation:**
Based on the functional groups present in each compound, the compound **CH₃CH₂CH₂SH** (propane-1-thiol) is likely to be foul smelling. Thiols (compounds containing -SH groups) are often associated with strong and unpleasant odors, commonly described as similar to the smell of rotten eggs or garlic. The other compounds listed do not typically have such strong odor profiles.
**Compound Breakdown:**
1. **CH₃CH₂CH₂OH**: Propanol – an alcohol with a mild odor.
2. **CH₃CH₂CH₂SH**: Propane-1-thiol – a thiol known for its foul smell.
3. **CH₃CH₂CH₂CH₃**: Butane – a hydrocarbon with little to no smell.
4. **CH₃CH₂C=OCH₂CH₃**: Pentanone – a ketone with a more neutral or mild odor.
Understanding the characteristics of different functional groups can help in predicting the properties of organic compounds, including their odors.
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This transcription is intended for educational use, assisting students in recognizing and understanding the properties of different chemical compounds."
Transcribed Image Text:---
### Chemistry Quiz: Identifying Foul-Smelling Compounds
**Question:** Which of the following compounds would you expect to be foul smelling?
1. **CH₃CH₂CH₂OH**
2. **CH₃CH₂CH₂SH** (Selected Answer)
3. **CH₃CH₂CH₂CH₃**
4. **CH₃CH₂C=OCH₂CH₃**
**Explanation:**
Based on the functional groups present in each compound, the compound **CH₃CH₂CH₂SH** (propane-1-thiol) is likely to be foul smelling. Thiols (compounds containing -SH groups) are often associated with strong and unpleasant odors, commonly described as similar to the smell of rotten eggs or garlic. The other compounds listed do not typically have such strong odor profiles.
**Compound Breakdown:**
1. **CH₃CH₂CH₂OH**: Propanol – an alcohol with a mild odor.
2. **CH₃CH₂CH₂SH**: Propane-1-thiol – a thiol known for its foul smell.
3. **CH₃CH₂CH₂CH₃**: Butane – a hydrocarbon with little to no smell.
4. **CH₃CH₂C=OCH₂CH₃**: Pentanone – a ketone with a more neutral or mild odor.
Understanding the characteristics of different functional groups can help in predicting the properties of organic compounds, including their odors.
---
This transcription is intended for educational use, assisting students in recognizing and understanding the properties of different chemical compounds.
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