Which resonance structure will be the major contributor to the resonance hybrid of the NO2+ ion?

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Which resonance structure will be the major contributor to the resonance hybrid of the NO2+ ion?

On this educational platform, the image provided illustrates three resonance structures for the nitrate ion, \( \text{NO}_3^+ \).

### Resonance Structures for \( \text{NO}_3^+ \)

The nitrate ion can be represented by three major resonance structures, as shown in frameworks A, B, and C:

1. **Resonance Structure A:**
   - The nitrogen (N) atom forms a double bond with one oxygen (O) atom and a single bond with the other two oxygen atoms.
   - One of the singly bonded oxygen atoms carries a lone pair of electrons, while the other does not.
   - Formal Charge Distribution: The nitrogen atom has a formal charge of +1.

2. **Resonance Structure B:**
   - This structure is another resonance form where the double and single bonds are distributed similarly.
   - One oxygen atom has a double bond with nitrogen, and the others have single bonds with lone pairs.
   - Formal Charge Distribution: The nitrogen atom again has a formal charge of +1.

3. **Resonance Structure C:**
   - The third resonance structure again rearranges the double and single bonds similarly, maintaining the formal charge and the lone pairs.
   - One oxygen atom is double-bonded to nitrogen, and the other two are single-bonded with lone pairs.

### Key Points:
- All three structures are equivalent and contribute equally to the overall resonance hybrid of the nitrate ion.
- The resonance concept helps in delocalizing the electrons across the molecule, providing more stability than any single resonance structure alone could offer.
- The formal charge on the overall structure is maintained across all resonance structures.

Understanding these resonance structures is crucial for grasping electron delocalization, molecular geometry, and the true nature of the bonding within the nitrate ion.
Transcribed Image Text:On this educational platform, the image provided illustrates three resonance structures for the nitrate ion, \( \text{NO}_3^+ \). ### Resonance Structures for \( \text{NO}_3^+ \) The nitrate ion can be represented by three major resonance structures, as shown in frameworks A, B, and C: 1. **Resonance Structure A:** - The nitrogen (N) atom forms a double bond with one oxygen (O) atom and a single bond with the other two oxygen atoms. - One of the singly bonded oxygen atoms carries a lone pair of electrons, while the other does not. - Formal Charge Distribution: The nitrogen atom has a formal charge of +1. 2. **Resonance Structure B:** - This structure is another resonance form where the double and single bonds are distributed similarly. - One oxygen atom has a double bond with nitrogen, and the others have single bonds with lone pairs. - Formal Charge Distribution: The nitrogen atom again has a formal charge of +1. 3. **Resonance Structure C:** - The third resonance structure again rearranges the double and single bonds similarly, maintaining the formal charge and the lone pairs. - One oxygen atom is double-bonded to nitrogen, and the other two are single-bonded with lone pairs. ### Key Points: - All three structures are equivalent and contribute equally to the overall resonance hybrid of the nitrate ion. - The resonance concept helps in delocalizing the electrons across the molecule, providing more stability than any single resonance structure alone could offer. - The formal charge on the overall structure is maintained across all resonance structures. Understanding these resonance structures is crucial for grasping electron delocalization, molecular geometry, and the true nature of the bonding within the nitrate ion.
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