QQuestionChemistry
QuestionChemistry
Using the molecular orbital model to describe the bonding in F^2 + 2 , F^2, and F^2−2, predict the bond orders and the relative bond lengths for these three species. How many unpaired electrons are present in each species?
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Answer
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Step 1Let's solve this problem step by step using molecular orbital theory:
Step 2: Determine the electron configuration for F atom
- Electron configuration: $$1s^{2} 2s^{2} 2p^{5}
- Atomic number of F is 9 - Valence electrons: 7 electrons
Final Answer
- F^2 + 2: Bond order = 3, 2 unpaired electrons, shortest bond - F^2: Bond order = 3, 0 unpaired electrons, intermediate bond length - F^2−2: Bond order = 2, 0 unpaired electrons, longest bond
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