AP Chemistry
2.7 VSEPR and Hybridization
2.5 Lewis Diagrams
2.1 Types of Chemical Bonds
A student compares the molecular structures of the nitrosyl halides \(\text{NOF}\), \(\text{NOCl}\), and \(\text{NOBr}\). For each molecule, the most favorable Lewis structure has the connectivity \(\text{X}-\text{N}=\text{O}\), with one lone pair on the central \(\text{N}\) atom. Selected electronegativity values are shown below.
Let \(\theta_{\text{X}}\) represent the \(\text{X}-\text{N}-\text{O}\) bond angle. Which ranking from greatest to least and accompanying explanation are correct?
| \(\text{X}\) | Electronegativity, \( \chi_{\text{X}} \) |
|---|---|
| \(\text{F}\) | \(4.0\) |
| \(\text{Cl}\) | \(3.2\) |
| \(\text{Br}\) | \(3.0\) |
Let \(\theta_{\text{X}}\) represent the \(\text{X}-\text{N}-\text{O}\) bond angle. Which ranking from greatest to least and accompanying explanation are correct?
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