Homework Answers
7)
arrow points from wlectrron rich part
also, + charge after substitution comes on carbon adjacent to the
carbon on which E is added
i and III are wrong because of direction of arrow
IV is wrong because there is no + charge coming on ring
V is wrong because there is no E on the ring
Answer: II
I am allowed to answer only 1 question at a time
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Which of the following is most likely to be the first slop in the general mechanism...
In the following compound, select the position that is most reactive towards electrophilic aromatic substitution reaction....
In the following compound, select the position that is most
reactive towards electrophilic aromatic substitution
reaction.
Review of Skills - Skill Builder 18.03 X Incorrect. Tert-butyl (activator) will direct the incoming electrophile and it is an ortho-para director. In the following compound, select the position that is most reactive towards electrophilic aromatic substitution reaction. NO,
please help in all sections asap!! In a Clemmensen reduction, an aryl ketone is reduced to...
please help in all sections asap!!
In a Clemmensen reduction, an aryl ketone is reduced to an Oaryl aldehyde Caryl alkane aryl carboxylic acid aryl ester aryi anhydride Identify the electrophile for the Friedel-Crafts acylation of benzene. O aluminum tetrachloride anion aluminum chloride acylium ion carbocation carbanion Which of the following criteria is necessary for a nucleophilic aromatic substitution reaction? © A. The ring must contain a very strong electron withdrawing group. B. The ring must contain a leaving group....
Question 15 (2 points) Which of the following substituents will not direct the incoming group to...
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
please help in all sections asap!! Provide the reagents necessary to carry out the following conversion....
please help in all sections asap!!
Provide the reagents necessary to carry out the following conversion. NO Br Choose the correct reagents for step 1. fuming H2SO4 Br2/ FeBr3 HNO3/ H2SO4 CH3Br / FeBr3 Choose the correct reagents for step 2 HNO3/ H2SO4 CH3Br/ FeBr3 fuming H2SO4 Br2/ FeBry Which one of the following substituents will direct the incoming group to the meta position during electrophilic aromatic substitution? -NO2 -CEN -CCl -COOH all of these O O Identify the electrophile...
19. What is the major organic product obtained from the following reaction? Huso A) 1 B)...
19. What is the major organic product obtained from the following reaction? Huso A) 1 B) II C III D) IV 20. What is the major organic product obtained from the following reaction? o ca A) I B) II C III D) IV 21. Which of the following substituents are activators in electrophilic aromatic substitution? A) CH30— B) CI— C) NO2 D) HSO3- 22. Which of the following substituents are deactivators in electrophilic aromatic substitution? A) HO– B) CH3NH –...
Question 3. [time 4 + 8 = 12 minutes) (a) i. Both the regioselectivity and the...
Question 3. [time 4 + 8 = 12 minutes) (a) i. Both the regioselectivity and the rate of an electrophilic aromatic substitution are affected by the substituents already attached to the benzene ring. Some groups promote substitution at the ortho or para positions, while other groups increase substitution at the meta position. Explain the terms "resonance effect" and "inductive effect" of substituents (use words and schemes). ii. Explain, using words and schemes, how in electrophilic aromatic substitutions existing substituents direct...
Which of the following compounds is the most reactive toward electrophilic aromatic substitution? IV H III...
Which of the following compounds is the most reactive toward electrophilic aromatic substitution? IV H III IT IN
Can someone explain how I am supposed to know which is least reactive compared to most reactive? I know that the benzen...
Can someone explain how I am supposed to know which is least
reactive compared to most reactive? I know that the benzene with
the NO2 group on it is least reactive because it's an EWG (electron
withdrawing group) so a deactivator but how do I compare the
others? Thanks!!!
Rank the following compounds in order of their reactivity toward electrophilic aromatic substitution NO2 CH least reactive (slowest) most reactive (fastest) b
Rank the following compounds in order of their reactivity...
5) Classify the following substituents as ELECTRON DONATING and ELECTRON WITHADRAWING? 3 PL -NH, -OCH, NO2,...
5) Classify the following substituents as ELECTRON DONATING and ELECTRON WITHADRAWING? 3 PL -NH, -OCH, NO2, -CH3, Electron Donating Electron Withdrawing 6) Classify the following compounds AROMATIC, ANTI AROMATIC and NON-AROMATIC? 2 Pts A) B) D) 7) Arrange the following compounds in order of decreasing reactivity towards electrophilic aromatic substitution 2 Pts 20 11 More Reactive: Least Reactive 8) Rank the following benzoic acid derivatives in the increasing order of acidity? 2 Pts COOH соон соон соон OCH CI NO2...
Question 27 (2 points) Which of the following substituents will not direct the incoming group to...
Question 27 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 ob) -COOCH3 OC) -CH2CH3 od) -N(CH3)2 Question 28 (2 points) Provide the reagents necessary to carry out the following conversion. OH OH B Br Br oa) Br2, hn ob) HBr (3 moles) oc) Br2, FeBr3 od) Br2
In the following compound, select the position that is most
reactive towards electrophilic aromatic substitution
reaction.
Review of Skills - Skill Builder 18.03 X Incorrect. Tert-butyl (activator) will direct the incoming electrophile and it is an ortho-para director. In the following compound, select the position that is most reactive towards electrophilic aromatic substitution reaction. NO,
please help in all sections asap!!
In a Clemmensen reduction, an aryl ketone is reduced to an Oaryl aldehyde Caryl alkane aryl carboxylic acid aryl ester aryi anhydride Identify the electrophile for the Friedel-Crafts acylation of benzene. O aluminum tetrachloride anion aluminum chloride acylium ion carbocation carbanion Which of the following criteria is necessary for a nucleophilic aromatic substitution reaction? © A. The ring must contain a very strong electron withdrawing group. B. The ring must contain a leaving group....
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
please help in all sections asap!!
Provide the reagents necessary to carry out the following conversion. NO Br Choose the correct reagents for step 1. fuming H2SO4 Br2/ FeBr3 HNO3/ H2SO4 CH3Br / FeBr3 Choose the correct reagents for step 2 HNO3/ H2SO4 CH3Br/ FeBr3 fuming H2SO4 Br2/ FeBry Which one of the following substituents will direct the incoming group to the meta position during electrophilic aromatic substitution? -NO2 -CEN -CCl -COOH all of these O O Identify the electrophile...
19. What is the major organic product obtained from the following reaction? Huso A) 1 B) II C III D) IV 20. What is the major organic product obtained from the following reaction? o ca A) I B) II C III D) IV 21. Which of the following substituents are activators in electrophilic aromatic substitution? A) CH30— B) CI— C) NO2 D) HSO3- 22. Which of the following substituents are deactivators in electrophilic aromatic substitution? A) HO– B) CH3NH –...
Question 3. [time 4 + 8 = 12 minutes) (a) i. Both the regioselectivity and the rate of an electrophilic aromatic substitution are affected by the substituents already attached to the benzene ring. Some groups promote substitution at the ortho or para positions, while other groups increase substitution at the meta position. Explain the terms "resonance effect" and "inductive effect" of substituents (use words and schemes). ii. Explain, using words and schemes, how in electrophilic aromatic substitutions existing substituents direct...
Which of the following compounds is the most reactive toward electrophilic aromatic substitution? IV H III IT IN
Can someone explain how I am supposed to know which is least
reactive compared to most reactive? I know that the benzene with
the NO2 group on it is least reactive because it's an EWG (electron
withdrawing group) so a deactivator but how do I compare the
others? Thanks!!!
Rank the following compounds in order of their reactivity toward electrophilic aromatic substitution NO2 CH least reactive (slowest) most reactive (fastest) b
Rank the following compounds in order of their reactivity...
5) Classify the following substituents as ELECTRON DONATING and ELECTRON WITHADRAWING? 3 PL -NH, -OCH, NO2, -CH3, Electron Donating Electron Withdrawing 6) Classify the following compounds AROMATIC, ANTI AROMATIC and NON-AROMATIC? 2 Pts A) B) D) 7) Arrange the following compounds in order of decreasing reactivity towards electrophilic aromatic substitution 2 Pts 20 11 More Reactive: Least Reactive 8) Rank the following benzoic acid derivatives in the increasing order of acidity? 2 Pts COOH соон соон соон OCH CI NO2...
Question 27 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 ob) -COOCH3 OC) -CH2CH3 od) -N(CH3)2 Question 28 (2 points) Provide the reagents necessary to carry out the following conversion. OH OH B Br Br oa) Br2, hn ob) HBr (3 moles) oc) Br2, FeBr3 od) Br2
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