Draw both diastereomers of 2-bromo-3-chlorobutane by editing the two drawings of 2-bromo-3-chlorobutane shown below. 20 .... H „CH3 „CH3 H,C H Il Br Br

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**Title: Drawing Diastereomers of 2-bromo-3-chlorobutane**

**Objective:**
Learn how to draw both diastereomers of 2-bromo-3-chlorobutane using given molecular structures.

**Instructions:**

1. **Molecular Structures:**
   - The image displays two 3D molecular structures of 2-bromo-3-chlorobutane. Each one shows the arrangement of atoms in space around two central carbon atoms.

2. **Interpretation:**
   - **Left Structure:**
     - Central carbon atoms are bonded to a hydrogen (H), a methyl group (CH₃), a chlorine (Cl), and a bromine (Br).
     - The solid wedge bonds represent atoms coming out of the plane toward the viewer.
     - The dashed wedge bonds represent atoms going behind the plane.

   - **Right Structure:**
     - Similar arrangement as the left structure but requires editing to illustrate diastereomerism.
     - The 3D placement of groups is crucial for distinguishing between different diastereomers.

3. **Task:**
   - Edit the two molecular structures to correctly display both diastereomers of 2-bromo-3-chlorobutane. Use the functionality provided, such as rotating bonds, to achieve the desired configurations.

**Tools:**
- Utilize the chemical drawing tools provided in the interface, including rotation, flipping bonds, and adding atoms/groups.

**Goal:**
Understand how to represent different spatial arrangements of atoms in molecules and identify diastereomers through 3D structural editing. 

**Key Concepts:**
- **Diastereomers** are stereoisomers that are not mirror images of each other and have different physical properties.
- Recognize different wedged bond representations and their significance in 3D molecular geometry.

**Conclusion:**
Successfully drawing both diastereomers will reinforce understanding of stereochemistry and molecular representations.
Transcribed Image Text:**Title: Drawing Diastereomers of 2-bromo-3-chlorobutane** **Objective:** Learn how to draw both diastereomers of 2-bromo-3-chlorobutane using given molecular structures. **Instructions:** 1. **Molecular Structures:** - The image displays two 3D molecular structures of 2-bromo-3-chlorobutane. Each one shows the arrangement of atoms in space around two central carbon atoms. 2. **Interpretation:** - **Left Structure:** - Central carbon atoms are bonded to a hydrogen (H), a methyl group (CH₃), a chlorine (Cl), and a bromine (Br). - The solid wedge bonds represent atoms coming out of the plane toward the viewer. - The dashed wedge bonds represent atoms going behind the plane. - **Right Structure:** - Similar arrangement as the left structure but requires editing to illustrate diastereomerism. - The 3D placement of groups is crucial for distinguishing between different diastereomers. 3. **Task:** - Edit the two molecular structures to correctly display both diastereomers of 2-bromo-3-chlorobutane. Use the functionality provided, such as rotating bonds, to achieve the desired configurations. **Tools:** - Utilize the chemical drawing tools provided in the interface, including rotation, flipping bonds, and adding atoms/groups. **Goal:** Understand how to represent different spatial arrangements of atoms in molecules and identify diastereomers through 3D structural editing. **Key Concepts:** - **Diastereomers** are stereoisomers that are not mirror images of each other and have different physical properties. - Recognize different wedged bond representations and their significance in 3D molecular geometry. **Conclusion:** Successfully drawing both diastereomers will reinforce understanding of stereochemistry and molecular representations.
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