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Nitro group (-NO.) as a strong deactivator, is a me tivator is a meta-director in electrophilie...
Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution...
Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution reactions. Why? A) Because it decreases electron density mortly on ortho and para positions, thus making meta positions better reactive sites, B) Because it deactivates ortho and para positions and activo tes the neta positions c) Because all deactivators are meta-directors. D) Because its resonance effect competes against its inductive effect and the resonance effect increases the electron density on meta positions. E) All...
1. please check what is wrong. Thank you! Determine the product formed when each compound is treated with...
1. please check what is wrong. Thank you!
Determine the product formed when each compound is treated with Br2 and FeBr3. Drag the atom labels to their appropriate positions. CN Atom labels H H Br Br2 A. FeBr Br H OH OH Br Br. Br2 FeBr3 H H Br Br H Br2 FeBr H1 H Reset T Rank the compounds in each group in order of decreasing reactivity in electrophilic aromatic substitution. CI Decreasing reactivity Rank the compounds in each...
Nitration of 1,3-dimethylbenzene primarily occurs at: Carbon 5 because the nitro group is meta directing carbon...
Nitration of 1,3-dimethylbenzene primarily occurs at: Carbon 5 because the nitro group is meta directing carbon 2 because methyl groups are ortho/para directing Carbon 4 or 6 because the methyl groups are ortho/para directing Carbon 5 because the methyl groups are meta directing The conversion of an alcohol into an alkyl chloride by reaction with thionyl chloride is best described as an example of: an SN2 process an SN1 process an E2 process an electrophilic addition process an E1 process...
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH...
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH 2 2) Under what reaction conditions would the electrophilic chlorination of aromatic compounds usually occur? A) Cl2, AlCl3 B) C12, CCl4 C) Cl2, H20 D) NaCl, H20 E) NaCI, CH3OH 3) 3) Which of the following is the strongest activating group in electrophilic aromatic substitution reactions? A) -CO2CH3 B)-NO2 C) -OCH3 D) -CH2CH3 E) -N(CH3)2 4) _ 4) In electrophilic aromatic substitution reactions the...
When there is an electron-withdrawing group on a benzene ring (eg. compounds such as nitrobenzenebenzoic acid,...
When there is an electron-withdrawing group on a benzene ring (eg. compounds such as nitrobenzenebenzoic acid, acetophenone, etc, resonance structures can be drawn that indicate the positions on the benzene ring that are least nucleophilic (because they have a positive charge on the carbon at that position). Because these positions are much less nucleophilic, the substitution reaction will not occur here; instead, substitution will occur at the other position(s) on the ring. As a result, which position(s) are most nucleophilic...
given Which is more stable? Position A/ Position B (circle one) COOH COOH Which is more...
given
Which is more stable? Position A/ Position B (circle one) COOH COOH Which is more stable? Position A/ Position B (circle one) 9. Given the results of the previous problems, if an ELECTRON DONATING group is already attached to benzene, it is more stable to add the electrophile to the _position(s). Look at positions A and B in the previous problems. a. Ortho b. Meta C. Para d. Two of the above e. None of the above 10. If...
Question 3 1s 3 ORTHO Today we learned about adding a second group to a mono-substituted...
Question 3
1s 3 ORTHO Today we learned about adding a second group to a mono-substituted benzene ring. Any group on a benzene will affect the rate of the reaction (activated or deactivated relative to benzene) and the regioselectivity Where does the electrophile add? Ortho? Meta? Para? Some combination thereof? We found that EDGs (electron-donating groups) direct the electrophile to the ortho and para positions while EWGs (electron-withdrawing groups) direct the electrophile to the meta position. Now, it is time...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
eglon is wed is TH NMR spectroscopy B) ultraviolet D) microwave ) infraed ymcasures the energy...
eglon is wed is TH NMR spectroscopy B) ultraviolet D) microwave ) infraed ymcasures the energy required to promote an electron from the_ molecular orbital to the A) highest occupied, lowest unoccupied B) lowest occupied, lowest unoccupied D) highest occupied, highest unoccupied molecular orbital 10. Which good solvents in organic reactions? of the following is not a property of ethers which makes them A) They dissolve a wide range of polar substances. B) They have relatively high boiling points for...
Table 1: AM1 Energies of the carbocations formed from nitration of the named compound (kcal/mol) ...
Table 1: AM1 Energies of the carbocations formed from nitration of the named compound (kcal/mol) ortho meta para Toluene (S = CH3) 221.74 224.49 219.04 Phenol (S = OH) 179.10 193.32 177.44 Trifluorotoluene (S = CF3) 95.17 90.06 93.56 Methyl benzoate (S = CO2CH3) 160.00 159.34 159.34 Using the table answer the following questions. 1 a. The carbocation intermediates are good models of the transition states for the corresponding aromatic reactions. When looking at the transition state energy of two...
Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution reactions. Why? A) Because it decreases electron density mortly on ortho and para positions, thus making meta positions better reactive sites, B) Because it deactivates ortho and para positions and activo tes the neta positions c) Because all deactivators are meta-directors. D) Because its resonance effect competes against its inductive effect and the resonance effect increases the electron density on meta positions. E) All...
1. please check what is wrong. Thank you!
Determine the product formed when each compound is treated with Br2 and FeBr3. Drag the atom labels to their appropriate positions. CN Atom labels H H Br Br2 A. FeBr Br H OH OH Br Br. Br2 FeBr3 H H Br Br H Br2 FeBr H1 H Reset T Rank the compounds in each group in order of decreasing reactivity in electrophilic aromatic substitution. CI Decreasing reactivity Rank the compounds in each...
Nitration of 1,3-dimethylbenzene primarily occurs at: Carbon 5 because the nitro group is meta directing carbon 2 because methyl groups are ortho/para directing Carbon 4 or 6 because the methyl groups are ortho/para directing Carbon 5 because the methyl groups are meta directing The conversion of an alcohol into an alkyl chloride by reaction with thionyl chloride is best described as an example of: an SN2 process an SN1 process an E2 process an electrophilic addition process an E1 process...
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH 2 2) Under what reaction conditions would the electrophilic chlorination of aromatic compounds usually occur? A) Cl2, AlCl3 B) C12, CCl4 C) Cl2, H20 D) NaCl, H20 E) NaCI, CH3OH 3) 3) Which of the following is the strongest activating group in electrophilic aromatic substitution reactions? A) -CO2CH3 B)-NO2 C) -OCH3 D) -CH2CH3 E) -N(CH3)2 4) _ 4) In electrophilic aromatic substitution reactions the...
When there is an electron-withdrawing group on a benzene ring (eg. compounds such as nitrobenzenebenzoic acid, acetophenone, etc, resonance structures can be drawn that indicate the positions on the benzene ring that are least nucleophilic (because they have a positive charge on the carbon at that position). Because these positions are much less nucleophilic, the substitution reaction will not occur here; instead, substitution will occur at the other position(s) on the ring. As a result, which position(s) are most nucleophilic...
given
Which is more stable? Position A/ Position B (circle one) COOH COOH Which is more stable? Position A/ Position B (circle one) 9. Given the results of the previous problems, if an ELECTRON DONATING group is already attached to benzene, it is more stable to add the electrophile to the _position(s). Look at positions A and B in the previous problems. a. Ortho b. Meta C. Para d. Two of the above e. None of the above 10. If...
Question 3
1s 3 ORTHO Today we learned about adding a second group to a mono-substituted benzene ring. Any group on a benzene will affect the rate of the reaction (activated or deactivated relative to benzene) and the regioselectivity Where does the electrophile add? Ortho? Meta? Para? Some combination thereof? We found that EDGs (electron-donating groups) direct the electrophile to the ortho and para positions while EWGs (electron-withdrawing groups) direct the electrophile to the meta position. Now, it is time...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
eglon is wed is TH NMR spectroscopy B) ultraviolet D) microwave ) infraed ymcasures the energy required to promote an electron from the_ molecular orbital to the A) highest occupied, lowest unoccupied B) lowest occupied, lowest unoccupied D) highest occupied, highest unoccupied molecular orbital 10. Which good solvents in organic reactions? of the following is not a property of ethers which makes them A) They dissolve a wide range of polar substances. B) They have relatively high boiling points for...
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