If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a hydrogen bond? H₂C......H-F H-H H,O.…...H-CH, ✔ H₂N.....H-O-H
If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a hydrogen bond? H₂C......H-F H-H H,O.…...H-CH, ✔ H₂N.....H-O-H
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter4: Polar Bonds, Polar Reactions
Section: Chapter Questions
Problem 2CTQ: Figure 4.1 is a cartoon depiction of liquid water at the molecular level. a. (E) Label at least one...
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![**Understanding Hydrogen Bonds: An Educational Guide**
**Question:**
If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a hydrogen bond?
**Options:**
1. ☑ \( H_4C \cdots \cdots H-F \)
2. ☐ \( H-H \)
3. ☐ \( H_2O \cdots \cdots H-CH_3 \)
4. ☑ \( H_3N \cdots \cdots H-O-H \)
**Explanation:**
In this question, hydrogen bonds are being identified from a selection of bond representations. Hydrogen bonds are typically formed between molecules where hydrogen is covalently bonded to a highly electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and there is an attraction to another electronegative atom from another molecule.
**Graphical Explanation:**
1. **\( H_4C \cdots \cdots H-F \)**
- This is an option showing a hydrogen bond.
- Here, the solid line indicates a covalent bond within the \(H_4C\) and \(H-F\) respectively, while the dotted line indicates an intermolecular hydrogen bond between the \( H_4C \) group and the \( H-F \) group.
2. **\( H-H \)**
- This option does not show a hydrogen bond.
- It only shows a covalent bond within a hydrogen molecule.
3. **\( H_2O \cdots \cdots H-CH_3 \)**
- This option does not show a hydrogen bond.
- It has a solid line indicating the covalent bonds and the dotted line indicating an intermolecular attraction, but the attraction is not classified as a hydrogen bond due to the involvement of \(CH_3\).
4. **\( H_3N \cdots \cdots H-O-H \)**
- This is an option showing a hydrogen bond.
- The solid lines indicate covalent bonds within ammonia \( (H_3N) \) and water \( (H_2O) \), while the dotted line represents an intermolecular hydrogen bond between \(H_3N\) and one of the hydrogens of water \( (H_2O) \).
In summary, the](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa563c0cc-a924-4c37-9f6b-c4caff62891a%2F52cdd6d2-d095-478c-9593-befe4a5efb29%2F8yot2avi_processed.png&w=3840&q=75)
Transcribed Image Text:**Understanding Hydrogen Bonds: An Educational Guide**
**Question:**
If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a hydrogen bond?
**Options:**
1. ☑ \( H_4C \cdots \cdots H-F \)
2. ☐ \( H-H \)
3. ☐ \( H_2O \cdots \cdots H-CH_3 \)
4. ☑ \( H_3N \cdots \cdots H-O-H \)
**Explanation:**
In this question, hydrogen bonds are being identified from a selection of bond representations. Hydrogen bonds are typically formed between molecules where hydrogen is covalently bonded to a highly electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and there is an attraction to another electronegative atom from another molecule.
**Graphical Explanation:**
1. **\( H_4C \cdots \cdots H-F \)**
- This is an option showing a hydrogen bond.
- Here, the solid line indicates a covalent bond within the \(H_4C\) and \(H-F\) respectively, while the dotted line indicates an intermolecular hydrogen bond between the \( H_4C \) group and the \( H-F \) group.
2. **\( H-H \)**
- This option does not show a hydrogen bond.
- It only shows a covalent bond within a hydrogen molecule.
3. **\( H_2O \cdots \cdots H-CH_3 \)**
- This option does not show a hydrogen bond.
- It has a solid line indicating the covalent bonds and the dotted line indicating an intermolecular attraction, but the attraction is not classified as a hydrogen bond due to the involvement of \(CH_3\).
4. **\( H_3N \cdots \cdots H-O-H \)**
- This is an option showing a hydrogen bond.
- The solid lines indicate covalent bonds within ammonia \( (H_3N) \) and water \( (H_2O) \), while the dotted line represents an intermolecular hydrogen bond between \(H_3N\) and one of the hydrogens of water \( (H_2O) \).
In summary, the
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