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Analyze the following structures and answer questions Q43 Q44. Which are aromatic? ABCDEFG AEFG...
Please explain:) 3. Aromatic or no? Label each of the following compounds as aromatic, non-aromatic, or...
Please explain:)
3. Aromatic or no? Label each of the following compounds as aromatic, non-aromatic, or anti- aromatic, and explain each answer briefly. 4. Design a multi-step synthesis for the following transformation. For EAS reactions, you may make a mixture of ortho and para products and then simply state "separate" to give you the desired isomer. CH3 CH3 OH CH3 toluene NO2 NO2
Please answer as soon as possible, thank you! Which of these substances is classified as aromatic?...
Please answer as soon as possible, thank you!
Which of these substances is classified as aromatic? Assume all structures are planar. :S: NV Select one: a. None of these b. I, II, and III c. I and Ill only d. I and Il only e. I only
Please answer Questions 8,9, & 10 and explain why please. Thanks! 8. Which compound is the...
Please answer Questions 8,9,
& 10 and explain why please. Thanks!
8. Which compound is the reactant for this reaction? OH ? 1. NaOH (excess), 70°C 2. H30* NO2 H NO2 NO2 B. NO2 NO2 D Br NO2 E. A. C. 9. Which statement best describes the aromaticity and UV-vis spectra of these two substances? II A. Both are aromatic. The longest wavelength of absorbance of I is larger than that of II. B. Both are aromatic. The longest wavelength...
PLEASE ANSWER ALL QUESTIONS 34) Which sequence correctly ranks the following aromatic rings in order of...
PLEASE ANSWER ALL QUESTIONS
34) Which sequence correctly ranks the following aromatic rings in order of increasing rate of reactivity in an electrophilic aromatic substitution reaction? LOCH A) 1<2<3 B) 2 <3 <1 C) 3 <1<2 D) 2 <1<3 35) Derivatives of the compound shown below are currently being examined for their effectiveness in treating drug addiction and metabolic syndrome (J. Med. Chem. 2006, 872). Which sequence ranks the following aromatic rings of this compound in order of increasing reactivity...
4. Answer the following questions based on the electrophilic aromatic substitution reaction shown below. door a....
4. Answer the following questions based on the electrophilic aromatic substitution reaction shown below. door a. (2.5pts) Based on the identity of the substituent on the starting material and its interaction with the aromatic ring, is this substituent an activator or deactivator? Briefly explain your answer and support your answer with structures b. (5.5pts) Draw all of the resonance contributors of the o-complexes that lead to each of the three possible products. c. (0.5p) Based on the structures drawn in...
2 When an aromatic ring with an -OR group is halogenated, which of the following resonance...
2 When an aromatic ring with an -OR group is halogenated, which of the following resonance structures explains the ortho of the ortho and para preferred orientation of the incoming electrophile? Explain your answer. ÖR +ÖR ÖR OR H Η Н Br Br - Br .
please explain the correct answer. thank you! Name: 10. Based on the following structures, answer the...
please explain the correct answer. thank you!
Name: 10. Based on the following structures, answer the following questions on mass spectroscopy. (12 points) OH Br a) Which compound would likely show a M-18 ion? b) Which compound's mass spectrum shows peaks at M and M+2 whose abundances are in the ratio of 3:1? c) Which compound's ion would undergo McLafferty rearrangement? d) Which compounds' ions would undergo a-cleavage? Choose all that apply. B C D E
Which of the following compounds are aromatic? 25. NH2 N: Which of the following structures, if flat, would be classified as antiaromatic? 26. HN 11 and Ⅳ (C) IV and V (D) only Ⅳ (B) only 11 (A)...
Which of the following compounds are aromatic? 25. NH2 N: Which of the following structures, if flat, would be classified as antiaromatic? 26. HN 11 and Ⅳ (C) IV and V (D) only Ⅳ (B) only 11 (A) l and 111 Which nitrogen atoms are basic? 27. (A) 1 and 3(B) 2 and 4 H. (D)2,4,and5 (C) 1,3, and5 Nitrogen's lone pair electrons occupy what type of orbital in pyridine? 28. (A)s (B)p () sp(D)sp (E) sp
Which of the...
1 Use the structures below to answer the following questions Br Z=0 Br vi 3 1...
1 Use the structures below to answer the following questions Br Z=0 Br vi 3 1 2 a Enter the number of the compound that could undergo Nucleophilic Aromatic Substitution here b Enter the number of one of the compounds that will not undergo Nucleophilic Aromatic Substitution here c Explain why it will not undergo this reaction in the space below d Enter the number of one of the compounds that will not undergo Nucleophilic Aromatic Substitution here e Explain...
Please choose the correct answer and show ALL work without skipping any steps. Justify your answer...
Please choose the correct answer and show ALL work without
skipping any steps. Justify your answer in sentence form.
Thanks!
Question 1 (1 point) Which is more stable, cyclobutadiene or 1,3-butadiene? Explain. Cyclobutadiene as it is conjugated, cyclic and aromatic 1, 3 - butadiene as it is non-aromatic and cyclobutadiene is antiaromatic Cyclobutadiene as it is non-aromatic and 1, 3- butadiene is antiaromatic. Question 2 (1 point) Is the following molecule aromatic, non-aromatic or antiaromatic? Aromatic Non-aromatic Antiaromatic
Please explain:)
3. Aromatic or no? Label each of the following compounds as aromatic, non-aromatic, or anti- aromatic, and explain each answer briefly. 4. Design a multi-step synthesis for the following transformation. For EAS reactions, you may make a mixture of ortho and para products and then simply state "separate" to give you the desired isomer. CH3 CH3 OH CH3 toluene NO2 NO2
Please answer as soon as possible, thank you!
Which of these substances is classified as aromatic? Assume all structures are planar. :S: NV Select one: a. None of these b. I, II, and III c. I and Ill only d. I and Il only e. I only
Please answer Questions 8,9,
& 10 and explain why please. Thanks!
8. Which compound is the reactant for this reaction? OH ? 1. NaOH (excess), 70°C 2. H30* NO2 H NO2 NO2 B. NO2 NO2 D Br NO2 E. A. C. 9. Which statement best describes the aromaticity and UV-vis spectra of these two substances? II A. Both are aromatic. The longest wavelength of absorbance of I is larger than that of II. B. Both are aromatic. The longest wavelength...
PLEASE ANSWER ALL QUESTIONS
34) Which sequence correctly ranks the following aromatic rings in order of increasing rate of reactivity in an electrophilic aromatic substitution reaction? LOCH A) 1<2<3 B) 2 <3 <1 C) 3 <1<2 D) 2 <1<3 35) Derivatives of the compound shown below are currently being examined for their effectiveness in treating drug addiction and metabolic syndrome (J. Med. Chem. 2006, 872). Which sequence ranks the following aromatic rings of this compound in order of increasing reactivity...
4. Answer the following questions based on the electrophilic aromatic substitution reaction shown below. door a. (2.5pts) Based on the identity of the substituent on the starting material and its interaction with the aromatic ring, is this substituent an activator or deactivator? Briefly explain your answer and support your answer with structures b. (5.5pts) Draw all of the resonance contributors of the o-complexes that lead to each of the three possible products. c. (0.5p) Based on the structures drawn in...
2 When an aromatic ring with an -OR group is halogenated, which of the following resonance structures explains the ortho of the ortho and para preferred orientation of the incoming electrophile? Explain your answer. ÖR +ÖR ÖR OR H Η Н Br Br - Br .
please explain the correct answer. thank you!
Name: 10. Based on the following structures, answer the following questions on mass spectroscopy. (12 points) OH Br a) Which compound would likely show a M-18 ion? b) Which compound's mass spectrum shows peaks at M and M+2 whose abundances are in the ratio of 3:1? c) Which compound's ion would undergo McLafferty rearrangement? d) Which compounds' ions would undergo a-cleavage? Choose all that apply. B C D E
Which of the following compounds are aromatic? 25. NH2 N: Which of the following structures, if flat, would be classified as antiaromatic? 26. HN 11 and Ⅳ (C) IV and V (D) only Ⅳ (B) only 11 (A) l and 111 Which nitrogen atoms are basic? 27. (A) 1 and 3(B) 2 and 4 H. (D)2,4,and5 (C) 1,3, and5 Nitrogen's lone pair electrons occupy what type of orbital in pyridine? 28. (A)s (B)p () sp(D)sp (E) sp
Which of the...
1 Use the structures below to answer the following questions Br Z=0 Br vi 3 1 2 a Enter the number of the compound that could undergo Nucleophilic Aromatic Substitution here b Enter the number of one of the compounds that will not undergo Nucleophilic Aromatic Substitution here c Explain why it will not undergo this reaction in the space below d Enter the number of one of the compounds that will not undergo Nucleophilic Aromatic Substitution here e Explain...
Please choose the correct answer and show ALL work without
skipping any steps. Justify your answer in sentence form.
Thanks!
Question 1 (1 point) Which is more stable, cyclobutadiene or 1,3-butadiene? Explain. Cyclobutadiene as it is conjugated, cyclic and aromatic 1, 3 - butadiene as it is non-aromatic and cyclobutadiene is antiaromatic Cyclobutadiene as it is non-aromatic and 1, 3- butadiene is antiaromatic. Question 2 (1 point) Is the following molecule aromatic, non-aromatic or antiaromatic? Aromatic Non-aromatic Antiaromatic
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