Directions: Study and understand how the structural formulas match the corresponding isomers. Following are two exercises to test your understanding of isomers. Follow the instructions and be sure to double-check the bonds between the C atoms in your main chain, and the number of bonds each of the other elements form. After the exercises, do the final task by filling in the blanks with the appropriate word/s or concept/s. Activity 1: Identify whether the structure A or B is an isomer of the given structure on the left. Select the letter of the correct answer. B GIVEN A CH3 CH₂ -CH₂ 1 H₂C- H₂C- -CH₂ H H₂C HC H₂C- 3 4 5 H₂C- H₂C- H₂C- H₂C- H₂C CH₁ CH₂ OH CH₂ H₂ -C CH₂ H H -CH3 -CH₂ CH₂ H₂C- CH₂ C H CH₂ CH₂ CH3 CH₂ CH₂ -CH3 -CH₂ O OH OH H₂C- HC H₂C- H₂C- -C H₂ -C- CH3 -CH₂ CH₂ H -CH₂ -CH₂
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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