Draw the cis and trans isomers of 2-butene, CH3CHCHCH₂. Show all hydrogen atoms. cis-2-butene Select Draw Templates More C H Erase trans-2-butene Select Draw Templates More C H Erase

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Title:** Drawing the cis and trans Isomers of 2-Butene

**Objective:** Learn how to draw the structural isomers of 2-butene (C₄H₈) demonstrating the cis and trans configurations, and include all hydrogen atoms.

---

**Content:**
In organic chemistry, isomerism is an important concept where compounds have the same molecular formula but different structures. Here, we will focus on the geometric isomers of 2-butene, specifically the **cis** and **trans** isomers. 

**Chemical Formula of 2-Butene:** CH₃CHCHCH₃

### 1. cis-2-butene

**cis-2-butene** features the two hydrogen atoms on the same side of the double bond.

- **Drawing Components:**
  - Use the **select tools** (shown as three lines on the left) to begin drawing.
  - Add the **carbon atoms** (C).
  - Add the **hydrogen atoms** (H).

- **Steps:**
  - Draw the backbone carbons chain and the double bond.
  - Attach hydrogens ensuring both are on the same side of the double bond.

### 2. trans-2-butene

**trans-2-butene** has the two hydrogen atoms on opposite sides of the double bond.

- **Drawing Components:**
  - Utilize the same tools to draw.
  - Add the appropriate **carbon atoms (C)**.
  - Include all **hydrogen atoms (H)**.

- **Steps:**
  - Sketch the backbone carbons chain and the double bond.
  - Place the hydrogens on opposite sides of the double bond.

---

**Illustrative Drawings:**

**cis-2-butene Drawing Panel:**
- The user interface includes tools for drawing lines, single, double bonds, and adding atoms (C, H).
- The workspace will have a reset button, and zoom in/out options.

**trans-2-butene Drawing Panel:**
- Similar interface to the cis isomer drawing panel with the same tool and functionalities.

The figures above each panel will guide you in visualizing and constructing the molecule structures correctly.

---

By understanding and drawing these isomers, you gain insights into how molecular geometry affects the physical and chemical properties of compounds. This skill is fundamental for deeper studies in organic chemistry and related scientific fields.

**Note:** Ensure that all hydrogen atoms are shown as
Transcribed Image Text:**Title:** Drawing the cis and trans Isomers of 2-Butene **Objective:** Learn how to draw the structural isomers of 2-butene (C₄H₈) demonstrating the cis and trans configurations, and include all hydrogen atoms. --- **Content:** In organic chemistry, isomerism is an important concept where compounds have the same molecular formula but different structures. Here, we will focus on the geometric isomers of 2-butene, specifically the **cis** and **trans** isomers. **Chemical Formula of 2-Butene:** CH₃CHCHCH₃ ### 1. cis-2-butene **cis-2-butene** features the two hydrogen atoms on the same side of the double bond. - **Drawing Components:** - Use the **select tools** (shown as three lines on the left) to begin drawing. - Add the **carbon atoms** (C). - Add the **hydrogen atoms** (H). - **Steps:** - Draw the backbone carbons chain and the double bond. - Attach hydrogens ensuring both are on the same side of the double bond. ### 2. trans-2-butene **trans-2-butene** has the two hydrogen atoms on opposite sides of the double bond. - **Drawing Components:** - Utilize the same tools to draw. - Add the appropriate **carbon atoms (C)**. - Include all **hydrogen atoms (H)**. - **Steps:** - Sketch the backbone carbons chain and the double bond. - Place the hydrogens on opposite sides of the double bond. --- **Illustrative Drawings:** **cis-2-butene Drawing Panel:** - The user interface includes tools for drawing lines, single, double bonds, and adding atoms (C, H). - The workspace will have a reset button, and zoom in/out options. **trans-2-butene Drawing Panel:** - Similar interface to the cis isomer drawing panel with the same tool and functionalities. The figures above each panel will guide you in visualizing and constructing the molecule structures correctly. --- By understanding and drawing these isomers, you gain insights into how molecular geometry affects the physical and chemical properties of compounds. This skill is fundamental for deeper studies in organic chemistry and related scientific fields. **Note:** Ensure that all hydrogen atoms are shown as
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