Problem 2: Determine the structure of the compound and show your work for full credit. 4000 100 80 60 lililo 40 20 % of base peak 40 3000 proton decoupled 10 9 2719 13C NMR Spectrum (50 MHz, CDCI3 solution) DEPT CH₂ CH3 ↑ CH 1 است 200 ..... ¹H NMR Spectrum (200 MHz, CDC), solution) 80 8 YUX 2000 105 1723 120 M+ 134 V (cm-¹) m/e 160 160 7 1600 I I 1 120 9.7 6 1200 200 240 Mass Spectrum I 800 5 C9H10O 280 solvent J I 80 expansions M hudude 9.5 3.7 3.5 1.5 1.3 ppm I 4 Provide the correct structure here 3 I 40 2 I 08 (ppm) 1 TMS 0 8 (ppm)
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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