which intermediate is stabilized more effectively by the nitro group? briefly explain
which intermediate is stabilized more effectively by
the nitro group? briefly explain
Homework Answers
When nucelophile (methoxide ion) attacks at meta position (in the second reaction as shown in a mechanism) the negative charge on the ring carbon is not delocalised over the nitro group. Whereas, in the first reaction when nucelophile attacks on para position the negatice charge is delocalized over the nitro group. Which makes it more stable intermediate then meta position attakc intermediate.
Hence reaction gives para substitution as a major product.
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which intermediate is stabilized more effectively by
the nitro group? briefly explain
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Aniline contains which functional group attached to the benzene ring? -Methyl -Nitro -Amino -Ester
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5. Toluene undergoes nitration at the Ortho position to produce a nonaromatic, resonance-stabilized, carbocation intermediate, which...
5. Toluene undergoes nitration at the Ortho position to produce
a nonaromatic, resonance-stabilized, carbocation intermediate,
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Complete the reaction mechanism below showing movement of electrons
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intermediate. (4 points)
5. Toluene undergoes nitration at the Ortho position to produce a nonaromatic, resonance- stabilized, carbocation intermediate, which loses a proton to form a neutral substituted product. Complete the reaction mechanism below showing movement of electrons...
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indicate which reaction will occur faster. explain your reasoning. reaction of 1 chlorobutane with sodium iodide...
indicate which reaction will occur faster. explain
your reasoning. reaction of 1 chlorobutane with sodium iodide or
sodium p toluenesulfonate in aqueous ethanol.
Indicate which reaction will occur faster. Explain your reasoning. Select the single best answer Reaction of 1-chlorobutane with sodium iodide or sodium p-toluenesulfonate in aqueous ethanol Sodium iodide will react faster because the leaving group encounters less sterle hindrance. Sodium iodide will react faster because the intermediate is more stabilized in the solvent. Sodium p-toluenesulfonate will react...
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During electrophilic aromatic substitution, a resonance-stabilized cation intermediate is formed. Groups, already present on the benzene...
During electrophilic aromatic substitution, a resonance-stabilized cation intermediate is formed. Groups, already present on the benzene ring, that direct ortho/para further stabilize this intermediate by participating in the resonance delocalization of the positive charge. Assume that the following group is present on a benzene ring at position 1 and that you are brominating the ring at positon 4. In the box below draw the structure of the resonance contributor that shows this group actively participating in the charge delocalization. -OCH3...
Please show Work will rate Conceptual Checkpoint 18.32 The presence of additional nitro groups can have...
Please show Work will rate
Conceptual Checkpoint 18.32 The presence of additional nitro groups can have an impact on the temperature at which a nucleophilic aromatic substitution will readily occur. Consider the following example Cl он 1) NaOH 2) Hyo NO2 NO2 When both R groups are hydrogen atoms, the reaction readily occurs at 130°C. When one of the R groups is a nitro group, the reaction readily occurs at 100°C. When both R groups are nitro groups, the reaction...
2. What might be challenges with implementing cycle counting effectively? List and briefly explain at least 3.
5. Toluene undergoes nitration at the Ortho position to produce
a nonaromatic, resonance-stabilized, carbocation intermediate,
which loses a proton to form a neutral substituted product.
Complete the reaction mechanism below showing movement of electrons
and all possible resonance structures for the carbocation
intermediate. (4 points)
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indicate which reaction will occur faster. explain
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sodium p toluenesulfonate in aqueous ethanol.
Indicate which reaction will occur faster. Explain your reasoning. Select the single best answer Reaction of 1-chlorobutane with sodium iodide or sodium p-toluenesulfonate in aqueous ethanol Sodium iodide will react faster because the leaving group encounters less sterle hindrance. Sodium iodide will react faster because the intermediate is more stabilized in the solvent. Sodium p-toluenesulfonate will react...
32. Which of the following compounds has the best leaving group? Briefly explain (4pts) N(CH3)3 ~ N(CH3)2 III. They both have the same leaving group ability
During electrophilic aromatic substitution, a resonance-stabilized cation intermediate is formed. Groups, already present on the benzene ring, that direct ortho/para further stabilize this intermediate by participating in the resonance delocalization of the positive charge. Assume that the following group is present on a benzene ring at position 1 and that you are brominating the ring at positon 4. In the box below draw the structure of the resonance contributor that shows this group actively participating in the charge delocalization. -OCH3...
Please show Work will rate
Conceptual Checkpoint 18.32 The presence of additional nitro groups can have an impact on the temperature at which a nucleophilic aromatic substitution will readily occur. Consider the following example Cl он 1) NaOH 2) Hyo NO2 NO2 When both R groups are hydrogen atoms, the reaction readily occurs at 130°C. When one of the R groups is a nitro group, the reaction readily occurs at 100°C. When both R groups are nitro groups, the reaction...
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