Draw the simplest set of curved arrows that shows how the structure on the left could be turned into the structure on the right. Show all lone pairs. If you need to expand part of the structure to show some lone pairs, expand it by drawing in all atoms and bond lines.
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.
In a molecule with resonance, the electrons are not fixed in one specific location, but are spread out across multiple atoms. This can result in the molecule having a more stable and lower energy state than if it were in a single, fixed configuration.
Resonance is often represented using resonance structures, which show different possible ways of distributing electrons within a molecule. For example, in the case of the benzene molecule, there are two possible resonance structures, with the electrons distributed differently around the ring. The actual distribution of electrons in the molecule is a combination of these structures, resulting in a more stable overall structure.
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