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SELECT ONE ANSWER FOR EACH QUESTION. JUSTIFY YOUR ANSWER FOR ANY CREDIT. 1. Which of the...
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 ANSWER ALL QUESTIONS Uraw the organic products expected from this reaction, label them as thermodynamic...
PLEASE ANSWER ALL QUESTIONS
Uraw the organic products expected from this reaction, label them as thermodynamic or kinetic and tell which predominates at -80°C. H(cat.) носно 5) Show how the reaction of an allylic halide with a Grignard reagent might be used to synthesize the following: 6) Which substrate would react most rapidly in an SN 2 reaction? A) CH3CH2CH=CHCH2Br B) BrCH2CH2CH=CHCH3 C) CH3CHBECH-CH2CH3 D) CH3CH2CH2CH=CHB 7) Which of the following terms best describes a Diels-Alder reaction? A) a [4+2]...
Please provide some type of explanation for each question and thank you for your help in...
Please provide some type of explanation for each question and
thank you for your help in advance.
3. Which of the following does not undergo oxidation in the presence of H-CrO4? CH3 CH2CH3 CH(CH3)2 C(CH3)3 3 d. 4 4. Which of the following compounds is aromatic? a. ethane b. cyclobutadiene C. benzene d. syclooctatetraene 5. Which of the following compounds is antiaromatic? a. ethane b. cyclobutadiene C. benzene d. cyclooctatetraene 6. What are the relative positions of the substituents in...
Can you please answer all of them? Section B: Free Response (you must show your work...
Can you please answer all of them?
Section B: Free Response (you must show your work for full credit) 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are sp2 hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts) 2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect...
Section B: Free Response (you must show your work for full credit) 1. Draw Frost circle...
Section B: Free Response (you must show your work for full credit) 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are spa hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts) 2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or...
Select the compounds that are aromatic. Question 1 1 2 3 4 A. 1 and 2...
Select the compounds that are aromatic. Question 1 1 2 3 4 A. 1 and 2 B. 1 and 3 C. 1 and 4 D. 2 and 3 E. 2 and 4 F. 1, 2,4 Enter Your Answer: OA B Ос OD OE OF OK Choose the charged compound(s) that isare) anti-aromatic. Question 2 H 1 2 3 A. 1 only B. 2 only C. 3 only D. 1 and 2 E. 1 and 3 F. 2 and 3 Enter...
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...
Which of the following compounds would you expect to be antiaromatic? (i) cyclooctatetraene (ii) 1,3-cyclooctadiene (iii) cyclooctatetraenyl dianion (iv)
Which of the following compounds would you expect to be antiaromatic? (i) cyclooctatetraene (ii) 1,3-cyclooctadiene (iii) cyclooctatetraenyl dianion (iv) 1-ethenylcyclooctatetraene (v) 1,3,5,7-octatetraene Select one: a. i only b. i, ii, iv and v only c. iii only d. i and iv only e. all the above From my working I found i, ii, iv, and v to be non aromatic and iii to be aromatic. Is non aromatic the same as antiaromatic?
C) E1 D) E2 E) E1cb 24. Rank is first, slowest is last) the following compounds...
C) E1 D) E2 E) E1cb 24. Rank is first, slowest is last) the following compounds in order of increasing reacdtivity in an a veaion Br Br IV 2. In the molecular orbital representation of benzene, how many T molecular orbitals are present? A) 1 B) 2 C) 4 D) 6 E) 8 26. What is the major difference between an antiaromatic and aromatic compound? A) The structure must be cyclic for aromatic but not antiaromatic compounds. B) Antiaromatic compounds...
U Question 16 8 pts Classify each structure as aromatic, antiaromatic, or nonaromatic. А B A:...
U Question 16 8 pts Classify each structure as aromatic, antiaromatic, or nonaromatic. А B A: nonaromatic B: antiaromatic C: nonaromatic D: aromatic
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 ANSWER ALL QUESTIONS
Uraw the organic products expected from this reaction, label them as thermodynamic or kinetic and tell which predominates at -80°C. H(cat.) носно 5) Show how the reaction of an allylic halide with a Grignard reagent might be used to synthesize the following: 6) Which substrate would react most rapidly in an SN 2 reaction? A) CH3CH2CH=CHCH2Br B) BrCH2CH2CH=CHCH3 C) CH3CHBECH-CH2CH3 D) CH3CH2CH2CH=CHB 7) Which of the following terms best describes a Diels-Alder reaction? A) a [4+2]...
Please provide some type of explanation for each question and
thank you for your help in advance.
3. Which of the following does not undergo oxidation in the presence of H-CrO4? CH3 CH2CH3 CH(CH3)2 C(CH3)3 3 d. 4 4. Which of the following compounds is aromatic? a. ethane b. cyclobutadiene C. benzene d. syclooctatetraene 5. Which of the following compounds is antiaromatic? a. ethane b. cyclobutadiene C. benzene d. cyclooctatetraene 6. What are the relative positions of the substituents in...
Can you please answer all of them?
Section B: Free Response (you must show your work for full credit) 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are sp2 hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts) 2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect...
Section B: Free Response (you must show your work for full credit) 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are spa hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts) 2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or...
Select the compounds that are aromatic. Question 1 1 2 3 4 A. 1 and 2 B. 1 and 3 C. 1 and 4 D. 2 and 3 E. 2 and 4 F. 1, 2,4 Enter Your Answer: OA B Ос OD OE OF OK Choose the charged compound(s) that isare) anti-aromatic. Question 2 H 1 2 3 A. 1 only B. 2 only C. 3 only D. 1 and 2 E. 1 and 3 F. 2 and 3 Enter...
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...
C) E1 D) E2 E) E1cb 24. Rank is first, slowest is last) the following compounds in order of increasing reacdtivity in an a veaion Br Br IV 2. In the molecular orbital representation of benzene, how many T molecular orbitals are present? A) 1 B) 2 C) 4 D) 6 E) 8 26. What is the major difference between an antiaromatic and aromatic compound? A) The structure must be cyclic for aromatic but not antiaromatic compounds. B) Antiaromatic compounds...
U Question 16 8 pts Classify each structure as aromatic, antiaromatic, or nonaromatic. А B A: nonaromatic B: antiaromatic C: nonaromatic D: aromatic
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