Which of the following would be the more stable (lower in energy) of these resonance structures, and would be most representative of the molecule?
Electronic Effects
The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlled by the electron repulsion or attraction producing in another portion of the molecule.
Drawing Resonance Forms
In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. It entails creating several Lewis structures that, when combined, reflect the molecule's entire electronic structure. One Lewis diagram cannot explain the bonding (lone pair, double bond, octet) elaborately. A hybrid describes a combination of possible resonance structures that represents the entire delocalization of electrons within the molecule.
Using Molecular Structure To Predict Equilibrium
Equilibrium does not always imply an equal presence of reactants and products. This signifies that the reaction reaches a point when reactant and product quantities remain constant as the rate of forward and backward reaction is the same. Molecular structures of various compounds can help in predicting equilibrium.
Which of the following would be the more stable (lower in energy) of these resonance structures, and would be most representative of the molecule?
When a single structure fails to express the identity of a molecule completely, several structures are drawn to express the properties of molecule exactly. This phenomenon is called as resonance. The several structures drawn to illustrate the properties of the molecule are called as resonating structures and the intermediate structure which expresses the characteristics of all the resonating forms in a more appropriate way is called as resonance hybrid. The stability of the resonating structure is directly proportional to its contribution in the formation of resonance hybrid and inversely proportional to the resonance energy associated with that particular structure.
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