Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds. Thus, it is important to know which atoms carry unshared pairs. Use the structural formulas below to determine the number of unshared pairs at each designated atom. Be sure your answers are consistent with the formal charges on the formulas. The number of unshared pairs at atom a is The number of unshared pairs at atom b is H3C CH3 The number of unshared pairs at atom c is The number of unshared pairs at atom a is b The number of unshared pairs at atom b is CH3-CH2-0-H The number of unshared pairs at atom c is Submit Answer Retry Entire Group 8 more group attempts remaining

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Unshared Electron Pairs in Organic Compounds**

**Overview:**
Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds. Thus, it is important to know which atoms carry unshared pairs.

**Instructions:**
Use the structural formulas below to determine the number of unshared pairs at each designated atom.
Be sure your answers are consistent with the formal charges on the formulas.

**Diagram 1:**

\[
\begin{array}{c}
& H \\
& | \\
H_3C - a - N - b - c - CH_3 \\
& | \\
& H \\
\end{array}
\]

  - The number of unshared pairs at atom \( a \) is \[ \_\_\_ \].
  - The number of unshared pairs at atom \( b \) is \[ \_\_\_ \].
  - The number of unshared pairs at atom \( c \) is \[ \_\_\_ \].

**Diagram 2:**

\[
\begin{array}{c}
CH_3 - CH_2 - O - a - b - c \\
\end{array}
\]

  - The number of unshared pairs at atom \( a \) is \[ \_\_\_ \].
  - The number of unshared pairs at atom \( b \) is \[ \_\_\_ \].
  - The number of unshared pairs at atom \( c \) is \[ \_\_\_ \].

**Interactive Elements:**

Each question has a drop-down menu where you can select the number of unshared pairs.

**Additional Information:**

By accurately determining the number of unshared pairs, you can better understand the reactivity and properties of these organic compounds. Ensure your answers are consistent with known chemical principles and the provided structural formulas.

**Submit Answers:**

After entering your answers, click **Submit Answer**. If you need to make changes, you can use the **Retry Entire Group** button. Note that you have 8 more group attempts remaining.

**Enjoy Your Learning Journey!**
Transcribed Image Text:**Unshared Electron Pairs in Organic Compounds** **Overview:** Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds. Thus, it is important to know which atoms carry unshared pairs. **Instructions:** Use the structural formulas below to determine the number of unshared pairs at each designated atom. Be sure your answers are consistent with the formal charges on the formulas. **Diagram 1:** \[ \begin{array}{c} & H \\ & | \\ H_3C - a - N - b - c - CH_3 \\ & | \\ & H \\ \end{array} \] - The number of unshared pairs at atom \( a \) is \[ \_\_\_ \]. - The number of unshared pairs at atom \( b \) is \[ \_\_\_ \]. - The number of unshared pairs at atom \( c \) is \[ \_\_\_ \]. **Diagram 2:** \[ \begin{array}{c} CH_3 - CH_2 - O - a - b - c \\ \end{array} \] - The number of unshared pairs at atom \( a \) is \[ \_\_\_ \]. - The number of unshared pairs at atom \( b \) is \[ \_\_\_ \]. - The number of unshared pairs at atom \( c \) is \[ \_\_\_ \]. **Interactive Elements:** Each question has a drop-down menu where you can select the number of unshared pairs. **Additional Information:** By accurately determining the number of unshared pairs, you can better understand the reactivity and properties of these organic compounds. Ensure your answers are consistent with known chemical principles and the provided structural formulas. **Submit Answers:** After entering your answers, click **Submit Answer**. If you need to make changes, you can use the **Retry Entire Group** button. Note that you have 8 more group attempts remaining. **Enjoy Your Learning Journey!**
### Understanding Unshared Electron Pairs in Organic Compounds

Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds. Therefore, it is critical to identify atoms that carry unshared pairs.

**Objective**: Use the structural formulas provided below to determine the number of unshared pairs at each designated atom. Be sure your answers are consistent with the formal charges on the formulas.

#### Example Structural Formula 1
![Structural Formula 1](https://via.placeholder.com/30) 
- The number of unshared pairs at atom \(a\) is **4**.
- The number of unshared pairs at atom \(b\) is **2**.
- The number of unshared pairs at atom \(c\) is **3**.

#### Example Structural Formula 2
![Structural Formula 2](https://via.placeholder.com/30)
- The number of unshared pairs at atom \(a\) is **2**.
- The number of unshared pairs at atom \(b\) is **3**.

#### Example Structural Formula 3
![Structural Formula 3](https://via.placeholder.com/30)
- The number of unshared pairs at atom \(a\) is \_\_\_.
- The number of unshared pairs at atom \(b\) is \_\_\_.
- The number of unshared pairs at atom \(c\) is \_\_\_.

### Interactive Exercise

Please input your answers to the number of unshared pairs for the atoms designated in the structural formulas below. Ensure that your answers align with the formal charges provided in the formulas.

**Note**: You have 8 more attempts remaining for this group of questions.

#### Interactive Area

- The number of unshared pairs at atom \(a\) is: \_\_\_.
- The number of unshared pairs at atom \(b\) is: \_\_\_.
- The number of unshared pairs at atom \(c\) is: \_\_\_.

**Submit Answer** | **Retry Entire Group**
Transcribed Image Text:### Understanding Unshared Electron Pairs in Organic Compounds Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds. Therefore, it is critical to identify atoms that carry unshared pairs. **Objective**: Use the structural formulas provided below to determine the number of unshared pairs at each designated atom. Be sure your answers are consistent with the formal charges on the formulas. #### Example Structural Formula 1 ![Structural Formula 1](https://via.placeholder.com/30) - The number of unshared pairs at atom \(a\) is **4**. - The number of unshared pairs at atom \(b\) is **2**. - The number of unshared pairs at atom \(c\) is **3**. #### Example Structural Formula 2 ![Structural Formula 2](https://via.placeholder.com/30) - The number of unshared pairs at atom \(a\) is **2**. - The number of unshared pairs at atom \(b\) is **3**. #### Example Structural Formula 3 ![Structural Formula 3](https://via.placeholder.com/30) - The number of unshared pairs at atom \(a\) is \_\_\_. - The number of unshared pairs at atom \(b\) is \_\_\_. - The number of unshared pairs at atom \(c\) is \_\_\_. ### Interactive Exercise Please input your answers to the number of unshared pairs for the atoms designated in the structural formulas below. Ensure that your answers align with the formal charges provided in the formulas. **Note**: You have 8 more attempts remaining for this group of questions. #### Interactive Area - The number of unshared pairs at atom \(a\) is: \_\_\_. - The number of unshared pairs at atom \(b\) is: \_\_\_. - The number of unshared pairs at atom \(c\) is: \_\_\_. **Submit Answer** | **Retry Entire Group**
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