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7. Which of the following is the electrophile for the synthesis of acetylferrocene from ferrocene and acetic anhydride? A. NO: 3. ΗΝΟ C.H D. H.PO4 E. CH;CO*

7. Which of the following is the electrophile for the synthesis of acetylferrocene from ferrocene and acetic anhydride? A. NO: 3. ΗΝΟ C.H D. H.PO4 E. CH;CO*

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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7. Which of the following is the electrophile for the synthesis of acetylferrocene from ferrocene and acetic anhydride? A. NO2* B. HNO3 С. Н. D. H;PO4 E. CH3CO* 8. To synthesize 1-propyl acetate (CH3CO2CH2CH2CH:) via Fischer esterification, which of the following substances is not involved in the reaction? А. Н:О B. 1-Propanol C. Acetic acid D. Concentrated sulfuric acid E. Methanol 6. Which of the following statement about recrystallization is CORRECT? 9. Acylation of ferrocene reaction is: A) Nucleophilic substitution A) Recrystallization is a purification technique for liquid compounds. B) An impure compound is mixed with cold solvent to form a saturated solution. C) With the saturated solution being heated up, the pure crystals grow from solution. B) Addition reaction to alkenes D) During the solution cooling down, the solubility of the compound increases. C) Electrophilic aromatic substitution E) Recrystallization is a purification technique for solid compounds. D) Acid-base reaction E) Elimination reaction 10. Which of the following is the major product in the acylation of acetylferrocene reaction is? A) Acetylferrocene B) 1,2-Diacetylferrocene C) 1,3-Diacetylferrocene D) 1,1’-Diacetylferrocene E) Ferrocene
Transcribed Image Text:7. Which of the following is the electrophile for the synthesis of acetylferrocene from ferrocene and acetic anhydride? A. NO2* B. HNO3 С. Н. D. H;PO4 E. CH3CO* 8. To synthesize 1-propyl acetate (CH3CO2CH2CH2CH:) via Fischer esterification, which of the following substances is not involved in the reaction? А. Н:О B. 1-Propanol C. Acetic acid D. Concentrated sulfuric acid E. Methanol 6. Which of the following statement about recrystallization is CORRECT? 9. Acylation of ferrocene reaction is: A) Nucleophilic substitution A) Recrystallization is a purification technique for liquid compounds. B) An impure compound is mixed with cold solvent to form a saturated solution. C) With the saturated solution being heated up, the pure crystals grow from solution. B) Addition reaction to alkenes D) During the solution cooling down, the solubility of the compound increases. C) Electrophilic aromatic substitution E) Recrystallization is a purification technique for solid compounds. D) Acid-base reaction E) Elimination reaction 10. Which of the following is the major product in the acylation of acetylferrocene reaction is? A) Acetylferrocene B) 1,2-Diacetylferrocene C) 1,3-Diacetylferrocene D) 1,1’-Diacetylferrocene E) Ferrocene
1. Which of the following statement about safety is NOT CORRECT? A) Approved safety goggles must be worn at all times you are working in the laboratory. B) No food, drinks or smoking are allowed in the laboratory. C) Wear gloves when you are dealing with chemicals. D) Broken or cracked glassware can be used in the experiments. E) No open-toe shoes are allowed in the laboratory. 5. Which of the following is an Aldol condensation? A) Two molecules of benzaldehyde react with each other to form an alpha-hydroxy ketone B) Methanol reacts with benzoic acid to form methyl benzoate. C) Aldehydes react with methyl ketones to form alpha, beta-unsaturated ketones. D) Nitration of methyl benzoate to form methyl 3-nitrobenzoate. E) Acylation of ferrocene to form acetylferrocene. 4. Which of the following is(are) the minor product(s) in the nitration of nitrobenzene? A) Nitrobenzene B) 1,2-Dinitrobenzene C) 1,3-Dinitrobenzene D) 1,4-Dinitrobenzene E) 1,2-Dinitrobenzene and 1,4-dinitrobenzene 3. Which of the following can be used to neutralize the reaction mixture during the workup in the experiment of methyl benzoate synthesis? 2. Which of the following alcohols is a reactant for the synthesis of ethyl benzoate? A) CH;OH A) Sulfuric acid B) CH3CH2OH B) Benzoic acid C) PHOH C) Hydrochloric acid D) i-PrOH D) Acetic acid E) n-BUOH E) Sodium bicarbonate
Transcribed Image Text:1. Which of the following statement about safety is NOT CORRECT? A) Approved safety goggles must be worn at all times you are working in the laboratory. B) No food, drinks or smoking are allowed in the laboratory. C) Wear gloves when you are dealing with chemicals. D) Broken or cracked glassware can be used in the experiments. E) No open-toe shoes are allowed in the laboratory. 5. Which of the following is an Aldol condensation? A) Two molecules of benzaldehyde react with each other to form an alpha-hydroxy ketone B) Methanol reacts with benzoic acid to form methyl benzoate. C) Aldehydes react with methyl ketones to form alpha, beta-unsaturated ketones. D) Nitration of methyl benzoate to form methyl 3-nitrobenzoate. E) Acylation of ferrocene to form acetylferrocene. 4. Which of the following is(are) the minor product(s) in the nitration of nitrobenzene? A) Nitrobenzene B) 1,2-Dinitrobenzene C) 1,3-Dinitrobenzene D) 1,4-Dinitrobenzene E) 1,2-Dinitrobenzene and 1,4-dinitrobenzene 3. Which of the following can be used to neutralize the reaction mixture during the workup in the experiment of methyl benzoate synthesis? 2. Which of the following alcohols is a reactant for the synthesis of ethyl benzoate? A) CH;OH A) Sulfuric acid B) CH3CH2OH B) Benzoic acid C) PHOH C) Hydrochloric acid D) i-PrOH D) Acetic acid E) n-BUOH E) Sodium bicarbonate
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