Complete the MO diagram (below) to determine if OF-is paramagnetic or diamagnetic. 4 %₂ A) paramagnetic B) diamagnetic

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Title: Molecular Orbital Theory and Magnetism**

**Overview:**

This exercise will guide you through completing the Molecular Orbital (MO) diagram for the molecule \( \text{OF}^- \) in order to determine whether it exhibits paramagnetism or diamagnetism. 

**Task Description:**

- **Objective:** Complete the MO diagram for \( \text{OF}^- \).
- **Goal:** Determine if \( \text{OF}^- \) is paramagnetic or diamagnetic.

**Diagram Details:**

The MO diagram is divided into the following sections:

- **Sigma (σ) and Pi (π) Orbitals:** 
  - Two π (pi) orbitals are filled sequentially, depicted with arrows to denote electron spin. 
  - One low-lying σ (sigma) orbital is shown, also with arrow indications for electron placement.
  - An antibonding sigma (\( \sigma^*\)) and antibonding pi (\( \pi^*\)) orbitals are positioned above these filled orbitals.

**Instructions:**

1. **Fill the Molecular Orbitals:** 
   - Assign electrons to the orbitals starting from the lowest energy level.
   - Follow Hund’s rule and the Pauli exclusion principle for electron configuration.

2. **Determine Magnetic Property:**
   - **Paramagnetic:** If unpaired electrons are present. 
   - **Diamagnetic:** If all electrons are paired.

**Choices:**

- A) Paramagnetic
- B) Diamagnetic

Select the correct magnetic property based on your completed MO diagram of \( \text{OF}^- \).

**Conclusion:**

Understanding the electron arrangement in molecular orbitals helps predict the magnetic properties of a molecule. This exercise deepens comprehension of how molecular orbital theory influences molecular behavior.
Transcribed Image Text:**Title: Molecular Orbital Theory and Magnetism** **Overview:** This exercise will guide you through completing the Molecular Orbital (MO) diagram for the molecule \( \text{OF}^- \) in order to determine whether it exhibits paramagnetism or diamagnetism. **Task Description:** - **Objective:** Complete the MO diagram for \( \text{OF}^- \). - **Goal:** Determine if \( \text{OF}^- \) is paramagnetic or diamagnetic. **Diagram Details:** The MO diagram is divided into the following sections: - **Sigma (σ) and Pi (π) Orbitals:** - Two π (pi) orbitals are filled sequentially, depicted with arrows to denote electron spin. - One low-lying σ (sigma) orbital is shown, also with arrow indications for electron placement. - An antibonding sigma (\( \sigma^*\)) and antibonding pi (\( \pi^*\)) orbitals are positioned above these filled orbitals. **Instructions:** 1. **Fill the Molecular Orbitals:** - Assign electrons to the orbitals starting from the lowest energy level. - Follow Hund’s rule and the Pauli exclusion principle for electron configuration. 2. **Determine Magnetic Property:** - **Paramagnetic:** If unpaired electrons are present. - **Diamagnetic:** If all electrons are paired. **Choices:** - A) Paramagnetic - B) Diamagnetic Select the correct magnetic property based on your completed MO diagram of \( \text{OF}^- \). **Conclusion:** Understanding the electron arrangement in molecular orbitals helps predict the magnetic properties of a molecule. This exercise deepens comprehension of how molecular orbital theory influences molecular behavior.
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