: What is the bond order in O₂¹?

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
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On the educational webpage, you need to use the unfilled (unpopulated) molecular-orbital (MO) diagram for a homonuclear diatomic molecule or ion, such as O₂, F₂, O₂⁺, F₂⁺, O₂⁻, or F₂⁻.

**IMPORTANT:** This diagram includes only valance orbitals.

### Diagram Overview:

The MO diagram depicted includes orbitals arranged as follows:

- **Left Side (Atomic Orbitals for One Atom):**
  - 2s orbital
  - 2p orbitals (three lines of equal energy)

- **Middle (Molecular Orbitals):**
  - σ (sigma) 2s
  - σ* (sigma star) 2s
  - π (pi) 2p (two orbitals of equal energy)
  - σ (sigma) 2p
  - π* (pi star) 2p (two orbitals of equal energy)
  - σ* (sigma star) 2p

- **Right Side (Atomic Orbitals for Another Atom):**
  - 2s orbital
  - 2p orbitals (three lines of equal energy)

Dashed lines connect corresponding atomic orbitals to molecular orbitals, highlighting the interactions forming the molecular orbitals.

### Instructions:

1. **Complete the Diagram:**
   - Focus on the O₂⁺ molecular cation.
   - Indicate the electron populations for all valance molecular orbitals on scratch paper.

2. **Determine the Bond Order:**
   - After filling in the electrons, calculate the bond order.

### Question:

What is the bond order in O₂⁺?

- Options:
  - 0
  - 1
  - 1.5
  - 2
  - 2.5
Transcribed Image Text:On the educational webpage, you need to use the unfilled (unpopulated) molecular-orbital (MO) diagram for a homonuclear diatomic molecule or ion, such as O₂, F₂, O₂⁺, F₂⁺, O₂⁻, or F₂⁻. **IMPORTANT:** This diagram includes only valance orbitals. ### Diagram Overview: The MO diagram depicted includes orbitals arranged as follows: - **Left Side (Atomic Orbitals for One Atom):** - 2s orbital - 2p orbitals (three lines of equal energy) - **Middle (Molecular Orbitals):** - σ (sigma) 2s - σ* (sigma star) 2s - π (pi) 2p (two orbitals of equal energy) - σ (sigma) 2p - π* (pi star) 2p (two orbitals of equal energy) - σ* (sigma star) 2p - **Right Side (Atomic Orbitals for Another Atom):** - 2s orbital - 2p orbitals (three lines of equal energy) Dashed lines connect corresponding atomic orbitals to molecular orbitals, highlighting the interactions forming the molecular orbitals. ### Instructions: 1. **Complete the Diagram:** - Focus on the O₂⁺ molecular cation. - Indicate the electron populations for all valance molecular orbitals on scratch paper. 2. **Determine the Bond Order:** - After filling in the electrons, calculate the bond order. ### Question: What is the bond order in O₂⁺? - Options: - 0 - 1 - 1.5 - 2 - 2.5
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