Homework Answers
Q-1: In a Clemmensen reduction, an aryl ketone is reduced to-
Answer: Option-2 : aryl alkane
Q-2: Identify the electrophile for the Fridel-Craft acylation of benzene
Answer: Option-3 : acylium ion
Q-3: Which of the following criteria is necessary for a nucleophilic aromatic substitution reaction?
Answer: Option-2: (B) the ring must contain a leaving group
Q-4: Predict the major product of the following reaction:
Answer: Option-1: (I)
Q-5: The following reaction will occur via which mechanism?
Answer: Option-3: electrophilic aromatic substitution
Q-6: Predict the product of the following reaction:
Answer: Option-3: (III) nitro benzene
Q-7: Which of the following substituents will not direct the incoming group to the ortho/para position during elctrophillic aromatic substitution?
Answer: Option-1: -CF3
Q-8. Identify the product of reaction from nitro benzene with iron and HCl followed with base.
Answer: Option-3: aniline
Q-9: Predict the major product for the following reaction:
Answer: Option-3 : 3-nitro product
Q-10: Which one of the following compounds would be most reactive toward electrophilic aromatic substitution?
Answer: Option-1: aniline
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please help in all sections asap!!
In a Clemmensen reduction, an aryl ketone is reduced to...
please help in all sections asap!! Which of the following reactions would produce isopropylbenzene as the...
please help in all sections asap!!
Which of the following reactions would produce isopropylbenzene as the major product? ОН AICI: H2SO4 H2SO4 AICI3 IV I all of these Predict the product for the following reaction fuming H2SO4 SO3H Predict the structure of the major product for the following reaction Which of the following compounds will not undergo nucleophilic aromatic substitution? 1-chloro-2,4-dinitrobenzene 1-bromo-4-nitrobenzene O-chloronitrobenzene m-chloronitrobenzene p-chloronitrobenzene Choose the correct sequence of reagents for the following transformation. 2) 3 . NH2 2)...
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...
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...
to form Which of the following possible Birch reduction products would not be expected CH3 CH3...
to form Which of the following possible Birch reduction products would not be expected CH3 CH3 0 CH3 A. B. C. Which of the following substrates would most likely undergo a successful nucleophilic aromatic substitution reaction with diethylamine? NO2 NO 2 NO 2 A. B. C. D. Which of the following resonance structures does not depict stabilization of the negative charge in the Meisenheimer complex? 0 A. The nitro group has which of the following effects in electrophilic aromatic substitution?...
There are 3 pictures, 18 exercises in total. Topics are Benzenes and their reactions No -I...
There are 3 pictures, 18 exercises in total. Topics are Benzenes
and their reactions
No -I ab 0 CH3 Br nooit 1. Aromatic molecules contain Tt electrons. a. 4n b. 4n+2 c. An odd number d. 4n+1 c. Zero Condition needed for benzene halogenation to occur a. NaC1, 1120 b. C12, H20 c. C12, AICI3 d. NaCl, CH3OH e. C12, CC14 3. In an electrophilic aromatic substitution, the hydroxyl group orients ortho-para because a, removes electronic density from the benzene...
15. Indicate those ortho/para director(s) and those meta director(s) - NO2 Br - -C₂Hs - NH2...
15. Indicate those ortho/para director(s) and those meta director(s) - NO2 Br - -C₂Hs - NH2 CoHs nat reagent(s), solvent(s) and chemicals are needed in making a Grignard reagent (C2HsMgBri? Choose from the following list. Water diethyl ether lithium, phenyl bromide, ethyl bromide (MR) iodine, sodium bromide, heat 17. Which one of the following reaction is a nucleophilic aromatic substitution reaction? Which one is an electrophilic aromatic substitution? HNOH,SO 18. Predict the product:
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...
3 pts Predict the major product(s) of the following reaction. Select all that apply. If a...
3 pts Predict the major product(s) of the following reaction. Select all that apply. If a reaction would yield both ortho and para products, select both answers. HNO3 H2SO4 Product NO2 ON ON NO2 А B с D B А No Reaction. The reaction would not give a product. Ос OD Rank the substituted benzene molecules in order from 1 - most activated to 5 - least activated (most deactivated) towards electrophilic aromatic substitution. OH CF3 он Br A B...
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 –...
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...
please help in all sections asap!!
Which of the following reactions would produce isopropylbenzene as the major product? ОН AICI: H2SO4 H2SO4 AICI3 IV I all of these Predict the product for the following reaction fuming H2SO4 SO3H Predict the structure of the major product for the following reaction Which of the following compounds will not undergo nucleophilic aromatic substitution? 1-chloro-2,4-dinitrobenzene 1-bromo-4-nitrobenzene O-chloronitrobenzene m-chloronitrobenzene p-chloronitrobenzene Choose the correct sequence of reagents for the following transformation. 2) 3 . NH2 2)...
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...
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...
to form Which of the following possible Birch reduction products would not be expected CH3 CH3 0 CH3 A. B. C. Which of the following substrates would most likely undergo a successful nucleophilic aromatic substitution reaction with diethylamine? NO2 NO 2 NO 2 A. B. C. D. Which of the following resonance structures does not depict stabilization of the negative charge in the Meisenheimer complex? 0 A. The nitro group has which of the following effects in electrophilic aromatic substitution?...
There are 3 pictures, 18 exercises in total. Topics are Benzenes
and their reactions
No -I ab 0 CH3 Br nooit 1. Aromatic molecules contain Tt electrons. a. 4n b. 4n+2 c. An odd number d. 4n+1 c. Zero Condition needed for benzene halogenation to occur a. NaC1, 1120 b. C12, H20 c. C12, AICI3 d. NaCl, CH3OH e. C12, CC14 3. In an electrophilic aromatic substitution, the hydroxyl group orients ortho-para because a, removes electronic density from the benzene...
15. Indicate those ortho/para director(s) and those meta director(s) - NO2 Br - -C₂Hs - NH2 CoHs nat reagent(s), solvent(s) and chemicals are needed in making a Grignard reagent (C2HsMgBri? Choose from the following list. Water diethyl ether lithium, phenyl bromide, ethyl bromide (MR) iodine, sodium bromide, heat 17. Which one of the following reaction is a nucleophilic aromatic substitution reaction? Which one is an electrophilic aromatic substitution? HNOH,SO 18. Predict the product:
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...
3 pts Predict the major product(s) of the following reaction. Select all that apply. If a reaction would yield both ortho and para products, select both answers. HNO3 H2SO4 Product NO2 ON ON NO2 А B с D B А No Reaction. The reaction would not give a product. Ос OD Rank the substituted benzene molecules in order from 1 - most activated to 5 - least activated (most deactivated) towards electrophilic aromatic substitution. OH CF3 он Br A 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 –...
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...
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