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19 Nov 2019
7.-11. Classify the following as: a. aromatic b. anti-aromatic c. non-aromatic d. not a.-c. (Answers may be repeated.) 8. 12. Complete the fifth resonance structure in the last template to determine which carbon-carbon bond is longest e. not a.-d. 13. Which compound reacts the fourth fastest with nitric acid and sulfuric acid? a. toluene b. phenol caniline d.benzenesulfonic acid e. chlorobenzene 14. Starting with biphenyl, which is the most likely dinitro compound to form by reaction with excess nitric acid and sulfuric acid? d. e. not a.-d. 15. Assuming a large excess of benzene, what is the major product of the following reaction? a. b. c. d. e. not a.-d. 16. The Wolff-Kisbner reaction is a how many electron reduction? Hint: Analyze the starting material and product. b. 4 e. not a.-d. 17.-19. Starting with benzene, complete the following reaction sequences. Assume any necessary workup. Answers may be repeated. 18. Ch/FeCla, HNO/H,504 (continue with minor product),以aOH, H2/ed, NaNO2/HCycold, CUCM H30' 19. H NOs/Haso, clifeCla, H2/ì¹ NaNO2/HSI/cold,SEN, H30. a. b. d. not a.-c. 20. Which substitution mechanism is not used in any of the syntheses of questions 17.-19.? a. benzyne b. electrophilic aromatic c. nucleophilic aromatic d. radical e. SN1
7.-11. Classify the following as: a. aromatic b. anti-aromatic c. non-aromatic d. not a.-c. (Answers may be repeated.) 8. 12. Complete the fifth resonance structure in the last template to determine which carbon-carbon bond is longest e. not a.-d. 13. Which compound reacts the fourth fastest with nitric acid and sulfuric acid? a. toluene b. phenol caniline d.benzenesulfonic acid e. chlorobenzene 14. Starting with biphenyl, which is the most likely dinitro compound to form by reaction with excess nitric acid and sulfuric acid? d. e. not a.-d. 15. Assuming a large excess of benzene, what is the major product of the following reaction? a. b. c. d. e. not a.-d. 16. The Wolff-Kisbner reaction is a how many electron reduction? Hint: Analyze the starting material and product. b. 4 e. not a.-d. 17.-19. Starting with benzene, complete the following reaction sequences. Assume any necessary workup. Answers may be repeated. 18. Ch/FeCla, HNO/H,504 (continue with minor product),以aOH, H2/ed, NaNO2/HCycold, CUCM H30' 19. H NOs/Haso, clifeCla, H2/ì¹ NaNO2/HSI/cold,SEN, H30. a. b. d. not a.-c. 20. Which substitution mechanism is not used in any of the syntheses of questions 17.-19.? a. benzyne b. electrophilic aromatic c. nucleophilic aromatic d. radical e. SN1
Nelly StrackeLv2
19 May 2019