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11. The nitro group is a reaction. director of the benzene ring that undergoes electrophilic aromatic substitution A) para B) meta C) ortho D) ortho-para E). Cannot determine 12. Which of the following is detrimental to the benzoin condensation? 13. Which of the following is a good substrate for Aldol condensation? А) KCN A) Benzene В) Н.О B) Acetophenone C) Thiamine C) Benzoic acid D) KC1 D) Benzylalcohol E) Excess NaOH I E) Methyl benzoate

11. The nitro group is a reaction. director of the benzene ring that undergoes electrophilic aromatic substitution A) para B) meta C) ortho D) ortho-para E). Cannot determine 12. Which of the following is detrimental to the benzoin condensation? 13. Which of the following is a good substrate for Aldol condensation? А) KCN A) Benzene В) Н.О B) Acetophenone C) Thiamine C) Benzoic acid D) KC1 D) Benzylalcohol E) Excess NaOH I E) Methyl benzoate

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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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11. The nitro group is a director of the benzene ring that undergoes electrophilic aromatic substitution reaction. A) para В) тeta C) ortho D) ortho-para E). Cannot determine 12. Which of the following is detrimental to the benzoin condensation? 13. Which of the following is a good substrate for Aldol condensation? A) KCN A) Benzene В) Н-О B) Acetophenone C) Thiamine C) Benzoic acid D) KC1 D) Benzyl alcohol E) Excess NaOH I E) Methyl benzoate 14. There are two five-member rings in ferrocene's structure. Each ring is a(n) 15. Benzoin condensation is a reaction that? A. anion A) Two molecules of benzaldehyde react with each other to form an alpha-hydroxy ketone B. cation I B) Two molecules of benzaldehyde react with each other to form benzoic acid and benzyl alcohol. C. radical C) An aldehyde reacts with methyl ketones to form alpha, beta-unsaturated ketones. D. dianion D) Two molecules of aldehyde react with each other to form an alpha, beta-unsaturated aldehyde. E). dication E) Two molecules of ketone react with each other to form an alpha, beta-unsaturated ketone. 16. Which of the following is not a good substrate for benzoin condensation? A) Benzaldehyde B) Acetophenone C) 4-Chlorobenzaldehyde D) 2-Bromobenzaldehyde E) 4-Dimethylaminobenzaldehyde
Transcribed Image Text:11. The nitro group is a director of the benzene ring that undergoes electrophilic aromatic substitution reaction. A) para В) тeta C) ortho D) ortho-para E). Cannot determine 12. Which of the following is detrimental to the benzoin condensation? 13. Which of the following is a good substrate for Aldol condensation? A) KCN A) Benzene В) Н-О B) Acetophenone C) Thiamine C) Benzoic acid D) KC1 D) Benzyl alcohol E) Excess NaOH I E) Methyl benzoate 14. There are two five-member rings in ferrocene's structure. Each ring is a(n) 15. Benzoin condensation is a reaction that? A. anion A) Two molecules of benzaldehyde react with each other to form an alpha-hydroxy ketone B. cation I B) Two molecules of benzaldehyde react with each other to form benzoic acid and benzyl alcohol. C. radical C) An aldehyde reacts with methyl ketones to form alpha, beta-unsaturated ketones. D. dianion D) Two molecules of aldehyde react with each other to form an alpha, beta-unsaturated aldehyde. E). dication E) Two molecules of ketone react with each other to form an alpha, beta-unsaturated ketone. 16. Which of the following is not a good substrate for benzoin condensation? A) Benzaldehyde B) Acetophenone C) 4-Chlorobenzaldehyde D) 2-Bromobenzaldehyde E) 4-Dimethylaminobenzaldehyde
17. Which of following statements is correct? A. It is easier to nitrate methyl benzoate than benzene, and the meta position of methyl benzoate is mainly nitrated. B. It is easier to nitrate methyl benzoate than anisole, and the para position of methyl benzoate is mainly nitrated. C. It is easier to nitrate benzene than methyl benzoate, and the meta position of methyl benzoate is mainly nitrated. D. It is easier to nitrate anisole than benzene, and the meta position of anisole is mainly nitrated. E. It is easier to nitrate methyl benzoate than anisole, and the ortho position of methyl benzoate is mainly nitrated. I 18. Which of the following is a good combination for the benzoin condensation? 19. Which of the following statement is incorrect? I A) Benzaldehyde and acetone A) Ferrocene is an aromatic compound. B) Benzaldehyde and benzophenone B) Ferrocene has two rings that can undergo electrophilic aromatic substitution reaction. C) Acetone and acetophenone C) The acylation reaction can only occur once to ferrocene. D) Benzaldehyde and 4-chlorobenzaldehyde D) The acylation reaction can occur more than once to ferrocene. E) Benzophenone and benzophenone E) The second acetylation mainly occurs on the unsubstituted ring of acetylferrocene. 20. Which of the following combinations can undergo a mixed Aldol condensation to synthesize benzalacetophenone, CSHSCH=CHCOCGH:? A) Benzaldehyde and acetone B) Benzaldehyde and benzophenone C) Acetone and acetophenone D) Benzaldehyde and acetophenone E) Benzophenone and benzophenone
Transcribed Image Text:17. Which of following statements is correct? A. It is easier to nitrate methyl benzoate than benzene, and the meta position of methyl benzoate is mainly nitrated. B. It is easier to nitrate methyl benzoate than anisole, and the para position of methyl benzoate is mainly nitrated. C. It is easier to nitrate benzene than methyl benzoate, and the meta position of methyl benzoate is mainly nitrated. D. It is easier to nitrate anisole than benzene, and the meta position of anisole is mainly nitrated. E. It is easier to nitrate methyl benzoate than anisole, and the ortho position of methyl benzoate is mainly nitrated. I 18. Which of the following is a good combination for the benzoin condensation? 19. Which of the following statement is incorrect? I A) Benzaldehyde and acetone A) Ferrocene is an aromatic compound. B) Benzaldehyde and benzophenone B) Ferrocene has two rings that can undergo electrophilic aromatic substitution reaction. C) Acetone and acetophenone C) The acylation reaction can only occur once to ferrocene. D) Benzaldehyde and 4-chlorobenzaldehyde D) The acylation reaction can occur more than once to ferrocene. E) Benzophenone and benzophenone E) The second acetylation mainly occurs on the unsubstituted ring of acetylferrocene. 20. Which of the following combinations can undergo a mixed Aldol condensation to synthesize benzalacetophenone, CSHSCH=CHCOCGH:? A) Benzaldehyde and acetone B) Benzaldehyde and benzophenone C) Acetone and acetophenone D) Benzaldehyde and acetophenone E) Benzophenone and benzophenone
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