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Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution...
Nitro group (-NO.) as a strong deactivator, is a me tivator is a meta-director in electrophilie...
Nitro group (-NO.) as a strong deactivator, is a me tivator is a meta-director in electrophilie substitution reactions. Why? A) Because it decreases electron density mostly on ortho and para positions, thus making meta positions better reactive sites, B) Because it deactivates ortho and para positions and activates the meta 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...
(V) 10pts. When aniline (C6H3-NH2) reacts with bromonium ion (NO2. the nitro group can become bonded...
(V) 10pts. When aniline (C6H3-NH2) reacts with bromonium ion (NO2. the nitro group can become bonded to a carbon at one of the three possible positions: ortho, meta, and para to the -NH2 group in the benzene ring. Consider meta and ortho attack and draw RESONANCE STRUCTURES for the carbocations that result when NO2 undergoes electrophilic aromatic substitution to aniline. Then, on the basis of these resonance structures, explain whether the --NH2, group.is meta director, or ortho/para director. Show which...
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...
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...
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...
7. Using resonance structures show how the amino group would effect the electron density on the...
7. Using resonance structures show how the amino group would
effect the electron density on the ring carbons of the following
compound. Would you expect an electrophile to attack this molecule
at the ortho, meta or para position(s)?
8. Draw the structure of (3R,
4R)-3-(3-fluorophenyl)-4-formylhexan-2-one
ing resonance structures, show how the amino group would effect the electron density on the ring carbons of the following compound. Would you expect an electrophile to attack this molecule at the ortho, meta or...
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...
Nitro group (-NO.) as a strong deactivator, is a me tivator is a meta-director in electrophilie substitution reactions. Why? A) Because it decreases electron density mostly on ortho and para positions, thus making meta positions better reactive sites, B) Because it deactivates ortho and para positions and activates the meta 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...
(V) 10pts. When aniline (C6H3-NH2) reacts with bromonium ion (NO2. the nitro group can become bonded to a carbon at one of the three possible positions: ortho, meta, and para to the -NH2 group in the benzene ring. Consider meta and ortho attack and draw RESONANCE STRUCTURES for the carbocations that result when NO2 undergoes electrophilic aromatic substitution to aniline. Then, on the basis of these resonance structures, explain whether the --NH2, group.is meta director, or ortho/para director. Show which...
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...
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...
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...
7. Using resonance structures show how the amino group would
effect the electron density on the ring carbons of the following
compound. Would you expect an electrophile to attack this molecule
at the ortho, meta or para position(s)?
8. Draw the structure of (3R,
4R)-3-(3-fluorophenyl)-4-formylhexan-2-one
ing resonance structures, show how the amino group would effect the electron density on the ring carbons of the following compound. Would you expect an electrophile to attack this molecule at the ortho, meta or...
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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