There are three different possible isomers of a dibromoethene molecule, C₂H₂Br₂. One of them has no net dipole moment, but the other two do. Draw Lewis structures for each of these isomers. Include H atoms.
There are three different possible isomers of a dibromoethene molecule, C₂H₂Br₂. One of them has no net dipole moment, but the other two do. Draw Lewis structures for each of these isomers. Include H atoms.
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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Question
Transcribed Image Text:### Isomers of Dibromoethene Molecule (C₂H₂Br₂)
**Instruction:**
There are three different possible isomers of a dibromoethene molecule, C₂H₂Br₂. One of them has no net dipole moment, but the other two do. Draw Lewis structures for each of these isomers. Make sure to include the hydrogen (H) atoms.
**Isomers Illustration Tool:**
A drawing interface is provided for creating the Lewis structures.
#### Tool Options:
- **Select:** Choose drawing mode.
- **Draw:** Activate drawing mode.
- **Templates:** Access molecule templates.
- **More:** Additional features.
Two buttons for navigation:
- Undo: Undo the last action.
- Redo: Redo the last undone action.
Three buttons for view adjustment:
- Zoom In: Increase the canvas size.
- Reset View: Reset to the initial view.
- Zoom Out: Decrease the canvas size.
**Drawing Elements:**
- **C (Carbon):** Essential element for backbone structure.
- **H (Hydrogen):** Represented with letter H.
- **Br (Bromine):** Represented with letter Br.
- **Bonds:** Options to draw single, double, and triple bonds.
#### Non-Polar C₂H₂Br₂ Isomer (One Isomer):
In this exercise, you need to identify and draw the isomer of C₂H₂Br₂ that results in no net dipole moment (nonpolar). Use the provided drawing elements to construct the Lewis structure of this nonpolar isomer.
By carefully arranging the bromine (Br) and hydrogen (H) atoms around the carbon backbone, you should be able to depict the correct structure. Ensure that the final drawing reflects a symmetrical arrangement, indicating the non-polar nature of the isomer.
Experiment with each isomer in the drawing interface to understand the dipole moments and identify the nonpolar structure correctly.
**Note:** The drawing tool helps visualize and construct isomers accurately. Utilize the bonding and element options effectively to illustrate each isomer's correct Lewis structure.
For detailed study, practice drawing all three isomers to better understand their polarities and molecular geometry. This will enhance comprehension of dipole moments and the structural diversity of isomers in organic chemistry.
Transcribed Image Text:### Polar C₂H₂Br₂ Isomers (Two Isomers)
This educational tool presents an interactive drawing space designed to construct and analyze the isomers of dichloroethylene with the molecular formula C₂H₂Br₂. Isomers are molecules with the same molecular formula but different structures, leading to distinct physical and chemical properties.
#### Drawing Tools:
- **Line/Single Bond**: Use this tool to draw single bonds.
- **Double Bond**: Use this tool to create double bonds between atoms.
- **Triple Bond**: Use this tool for triple bonds.
- **Elements (C, H, Br)**: Click on these buttons to place carbon (C), hydrogen (H), and bromine (Br) atoms in your structure.
You can rotate, zoom, and erase as needed using the control buttons provided at the bottom left and the magnification tools at the bottom right.
#### Understanding the Isomers:
For C₂H₂Br₂, there are two primary types of isomers to consider:
1. **Cis-Isomer**: Both bromine atoms are on the same side of the double bond between the two carbon atoms.
2. **Trans-Isomer**: The bromine atoms are on opposing sides of the double bond between the two carbon atoms.
3. The isomer that doesn’t fit into the categories of cis or trans is known as a structural or constitutional isomer, where the connectivity of atoms differs from the other two forms.
#### Identifying Relationships:
- **The cis isomer is a ______ of the trans isomer.**
- **The isomer that is neither cis nor trans is a ______ of the other two isomers.**
These dropdowns help reinforce the concepts by having users categorize relationships between isomers, such as enantiomers or diastereomers.
This educational module enhances the understanding of isomerism in organic chemistry by enabling students to visualize and manipulate molecular structures themselves.
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