9:35 Back Module 2 Homework.docx Pattern Recognition Learning to recognize patterns will aid in your ability to draw resonance structures. Look out for the following: Dashboard. 1. Allylic lone pairs - Allylic lone pairs, lone pairs next to a double bond, are "pushable" electrons. 2. Allylic positive charge - Electrons in a pi bond adjacent to a positive charge are "pushable" pairs. What other resonance structure(s) can you draw for this compound? 3. A lone pair adjacent to a positive charge - Lone pairs adjacent to positive charges are "pushable" pairs 4. A pi bond between two atoms of different electronegativity X 5. Conjugated pi bonds enclosed in a ring Practice Problems: (D) For each of the structures below, identify the pattern and draw a resonance structure. OH 5G 11 Calendar To Do 34 G Notifications Inbox
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.
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