H. H- pane H (d) H CH3 CH3 H Br Br pand Br pune Cl- Br (). I H. CH2CI H CICH2CH2CH2-C, pand H H C CH2CH2 (a). H Paragraph

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Chapter1: Chemical Foundations
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For each of the following pairs, please indicate if the compounds are (A) identical,   (B) constitutional isomers, (C) enantiomers, or (D) diastereomers:

 

This image contains structural representations of organic molecules. Below each pair of structures, there are labels marked (a), (b), (c), and (d).

### a)
- **Structure 1**: 
  - Depicts a carbon chain with a chlorine (Cl) substituent.
  - Molecular structure: ClCH\(_2\)CH\(_2\)CH\(_2\)CH\(_3\)

- **Structure 2**: 
  - The same as Structure 1.

### b)
- **Structure 1**:
  - A carbon atom bonded to two hydrogen (H) atoms, a chlorine (Cl), and a chloro (CH\(_2\)Cl) group. This forms a chloroalkane.
  - Structure: H-C(Cl)H-CH\(_2\)CH\(_2\)Cl

- **Structure 2**:
  - A central carbon atom bonded to a hydrogen (H), bromine (Br), and chlorine (Cl). It illustrates a stereochemistry concept.
  - Structure: Cl-C(H)Br

### c)
- **Structure 1**:
  - A carbon atom forming a bond with a chlorine (Cl), hydrogen (H), and a methyl group (CH\(_3\)), showing stereochemistry.
  - Structure: CH\(_3\)-C(Br)Cl

- **Structure 2**:
  - A similar setup to Structure 1, emphasizing stereochemical configuration.
  - Structure: CH\(_3\)-C(H)Cl

### d)
- **Structure 1**:
  - A cross-shaped molecule consisting of hydrogen (H) and chlorine (Cl) atoms.
  - Structure: Cl-CH\(_3\)CH

- **Structure 2**:
  - Identical to Structure 1.
  
Each of these molecular pairs can be used to illustrate concepts in organic chemistry, such as molecular geometry, stereochemistry, and functional group identification.
Transcribed Image Text:This image contains structural representations of organic molecules. Below each pair of structures, there are labels marked (a), (b), (c), and (d). ### a) - **Structure 1**: - Depicts a carbon chain with a chlorine (Cl) substituent. - Molecular structure: ClCH\(_2\)CH\(_2\)CH\(_2\)CH\(_3\) - **Structure 2**: - The same as Structure 1. ### b) - **Structure 1**: - A carbon atom bonded to two hydrogen (H) atoms, a chlorine (Cl), and a chloro (CH\(_2\)Cl) group. This forms a chloroalkane. - Structure: H-C(Cl)H-CH\(_2\)CH\(_2\)Cl - **Structure 2**: - A central carbon atom bonded to a hydrogen (H), bromine (Br), and chlorine (Cl). It illustrates a stereochemistry concept. - Structure: Cl-C(H)Br ### c) - **Structure 1**: - A carbon atom forming a bond with a chlorine (Cl), hydrogen (H), and a methyl group (CH\(_3\)), showing stereochemistry. - Structure: CH\(_3\)-C(Br)Cl - **Structure 2**: - A similar setup to Structure 1, emphasizing stereochemical configuration. - Structure: CH\(_3\)-C(H)Cl ### d) - **Structure 1**: - A cross-shaped molecule consisting of hydrogen (H) and chlorine (Cl) atoms. - Structure: Cl-CH\(_3\)CH - **Structure 2**: - Identical to Structure 1. Each of these molecular pairs can be used to illustrate concepts in organic chemistry, such as molecular geometry, stereochemistry, and functional group identification.
The image contains chemical structure diagrams paired side by side, labeled as parts (d) and (f).

**Diagram (d):** 

- The structures presented are two-dimensional representations of molecular compounds.
- The left structure shows a carbon (C) atom forming bonds with:
  - Two hydrogen (H) atoms
  - Two chlorine (Cl) atoms
  - A methyl group (CH₃).
- The structure resembles a symmetrical cross, indicating a planar configuration.

- The right structure is almost identical, maintaining the same atomic arrangement and symmetry.

**Diagram (f):**

- The structures are three-dimensional representations, featuring wedge-dash bonds to indicate 3D orientation.
- The left structure includes:
  - A central carbon (C) bonded to:
    - One hydrogen (H) atom with a dash bond (going into the page)
    - One chlorine (Cl) atom
    - One methyl group (CH₃)
    - One bromine (Br) atom with a wedge bond (coming out of the page)
- The right structure is similar in layout but replaces the chlorine with a hydroxyl group (-OH) in the three-dimensional representation. The bromine atom is retained.

Both diagrams serve as examples for illustrating molecular symmetry and stereochemistry, useful for understanding structural formulas in organic chemistry.
Transcribed Image Text:The image contains chemical structure diagrams paired side by side, labeled as parts (d) and (f). **Diagram (d):** - The structures presented are two-dimensional representations of molecular compounds. - The left structure shows a carbon (C) atom forming bonds with: - Two hydrogen (H) atoms - Two chlorine (Cl) atoms - A methyl group (CH₃). - The structure resembles a symmetrical cross, indicating a planar configuration. - The right structure is almost identical, maintaining the same atomic arrangement and symmetry. **Diagram (f):** - The structures are three-dimensional representations, featuring wedge-dash bonds to indicate 3D orientation. - The left structure includes: - A central carbon (C) bonded to: - One hydrogen (H) atom with a dash bond (going into the page) - One chlorine (Cl) atom - One methyl group (CH₃) - One bromine (Br) atom with a wedge bond (coming out of the page) - The right structure is similar in layout but replaces the chlorine with a hydroxyl group (-OH) in the three-dimensional representation. The bromine atom is retained. Both diagrams serve as examples for illustrating molecular symmetry and stereochemistry, useful for understanding structural formulas in organic chemistry.
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