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Resonance Structures Video Lecture | Chemistry Class 11 - NEET

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FAQs on Resonance Structures Video Lecture - Chemistry Class 11 - NEET

1. What are resonance structures?
Resonance structures are different Lewis structures that can be drawn for a molecule or ion by moving electrons and rearranging bonds while keeping the positions of the atoms unchanged. These structures differ only in the placement of electrons and can be used to represent the delocalization of electrons within a molecule or ion.
2. How do resonance structures affect the stability of a molecule?
Resonance structures contribute to the stability of a molecule by distributing the electron density more evenly, reducing the energy of the molecule. When there are multiple resonance structures, the actual structure of the molecule is a hybrid of all the resonance structures. This delocalization of electrons increases the stability of the molecule.
3. Can resonance structures have fractional bond orders?
No, resonance structures cannot have fractional bond orders. The bond order in each resonance structure must be an integer value, representing the average bond order of all the resonance structures. Fractional bond orders would violate the concept of the Lewis structure, which is based on the sharing of electrons between atoms.
4. Are resonance structures only applicable to organic compounds?
No, resonance structures are not limited to organic compounds. They can also be used to represent the bonding in inorganic compounds and ions. Resonance structures are a general concept in chemistry that applies to any molecule or ion with delocalized electrons.
5. How can resonance structures be used to explain the properties of molecules?
Resonance structures help explain the properties of molecules by providing a more accurate representation of the electron distribution within a molecule. This can be used to understand the reactivity, stability, and chemical behavior of a compound. Resonance structures are particularly useful in explaining the stability of aromatic compounds and the delocalization of charge in ions.
195 videos|337 docs|190 tests
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