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Which compound will be the most likely one to give the ortho-substituted product as the major...
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A....
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A. CH CHO (benzaldehyde) B. C&HOCH, (anisole) C. C HBr (bromobenzene) D. CH3CH, (toluene) 1) A<C<D<B 2) A<D<C< B 3 ) C<A<B<D 4) C<A<D<B Nitration of chlorobenzene occurs: 1) faster than nitration of benzene and gives the ortho and para products. 2) faster than nitration of benzene and gives the meta product. 3) slower than nitration of benzene and gives the ortho and para products....
identify the preferred site(s) of electrophilic attack on the following compound 1-CH-04 >> ringt r ing...
identify the preferred site(s) of electrophilic attack on the following compound 1-CH-04 >> ringt r ing 2 A) ortho para positions on ring 1 B) meta position on ring 2 C) meta position on ring 1 D) orthopara positions on ring 2 2) The major products) in the nitration of benzoic acid isare) A) nitrobenzene. B) nitroben ene and para-nitrobenzoic acid. C) mixture of the and pre-nitrobenzoic acid. D -nitrobenzoic acid. 3) What is the electrophile in the Friedel-Crafts alkylation...
Which one if the following reactions is most likely to give a polysubstituted product? Also i need help on question 2...
Which one if the following reactions is most likely to give a
polysubstituted product? Also i need help on question 29. Thank you
28. Which one of the following reactions is most likely to give a polysubstituted product? A) Friedel-Crafts alkylation B) Friedel-Crafts acylation C) Nitration D) Sulfonation E) Halogenation 29. Predict the major product for the following reaction. AlCl3
r each compound below, identify which position(s) is/are most likely to undergo an electrophilic aromatic substitut...
r each compound below, identify which position(s) is/are most likely to undergo an electrophilic aromatic substitution reaction? Circle the carbon that undergoes electrophilic substitution. (3) b. CH NO2 O2N What Wittig reagent and carbonyl compounds are used to synthesize the following compound? (2) c. (CH3CH2)2C-cHCHCH2CH3 Write the equations to convert benzene to the following compounds? Some conversions need more than one step. (10) 3. a. Toluene b. m-bromo nitrobenzene c. Benzene sulfonic acid d. Aniline e. Benzoic acid
r each...
7. Predict the major product for the reaction between benzene and 2-chlorobutane i presence of AlCl3. A) Chlor...
7. Predict the major product for the reaction between benzene and 2-chlorobutane i presence of AlCl3. A) Chlorobenzene B) sec-butylbenzene C) ethylbenzene D) isopropylbenzene E) 1-butylbenzene 8. Predict the major product for the following reaction. H2SO 9. Predict the structure of the major product for the following reaction. CHICH2CCI AlCl 10. Predict the structure of the major product for the following reaction. O o CH CH2CH COCCH2CH2CH AlCl
3 pts Predict the major product(s) of the following reaction. Select all that apply. If a...
3 pts Predict the major product(s) of the following reaction. Select all that apply. If a reaction would yield both ortho and para products, select both answers. HNO3 H2SO4 Product NO2 ON ON NO2 А B с D B А No Reaction. The reaction would not give a product. Ос OD Rank the substituted benzene molecules in order from 1 - most activated to 5 - least activated (most deactivated) towards electrophilic aromatic substitution. OH CF3 он Br A B...
6-8 6. Which of the following alkyl-substituted aromatic compounds will be the least ortho directing? a....
6-8
6. Which of the following alkyl-substituted aromatic compounds will be the least ortho directing? a. b. C. d. 7. What major factors affect regioselectivity in electrophilic aromatic substitution reactions? a. Steric and inductive effects only b. Steric, statistical, and electronic effects (electron withdrawing electron donating) c. Statistical and electronic effects only d. Electronic effects only 8. Which of the following statements is always true regarding amino substituents (-NH, -NHR, and -NR.)? a. An additional resonance structure can be drawn...
6-11 X 2 6. Which one of the following is the intermediate in the bromination of...
6-11
X 2 6. Which one of the following is the intermediate in the bromination of toluene? (a)! 9) (c) III (d) IV CH3 che CH3z + BH 7. Which is the correct order of reactivity of the following three compounds in brominaion reactions? Most reactive first, least reacting last. O CH 3 13 (m) 3>>>I (6) 1>3>2 () 1>3 () >>1>2 8. In the nitration of the following compound the bromine will add on which carbon? (a) 1 (b)...
There are 3 pictures, 18 exercises in total. Topics are Benzenes and their reactions No -I...
There are 3 pictures, 18 exercises in total. Topics are Benzenes
and their reactions
No -I ab 0 CH3 Br nooit 1. Aromatic molecules contain Tt electrons. a. 4n b. 4n+2 c. An odd number d. 4n+1 c. Zero Condition needed for benzene halogenation to occur a. NaC1, 1120 b. C12, H20 c. C12, AICI3 d. NaCl, CH3OH e. C12, CC14 3. In an electrophilic aromatic substitution, the hydroxyl group orients ortho-para because a, removes electronic density from the benzene...
Given the reaction below, which product is most likely to form as the major product? Name:...
Given the reaction below, which product is most likely to form
as the major product?
Name: CORRECTIONS 29. Given the reaction below, which product is most likely to form as the major product? 70 °C d. e. B E b. c. D A
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A. CH CHO (benzaldehyde) B. C&HOCH, (anisole) C. C HBr (bromobenzene) D. CH3CH, (toluene) 1) A<C<D<B 2) A<D<C< B 3 ) C<A<B<D 4) C<A<D<B Nitration of chlorobenzene occurs: 1) faster than nitration of benzene and gives the ortho and para products. 2) faster than nitration of benzene and gives the meta product. 3) slower than nitration of benzene and gives the ortho and para products....
identify the preferred site(s) of electrophilic attack on the following compound 1-CH-04 >> ringt r ing 2 A) ortho para positions on ring 1 B) meta position on ring 2 C) meta position on ring 1 D) orthopara positions on ring 2 2) The major products) in the nitration of benzoic acid isare) A) nitrobenzene. B) nitroben ene and para-nitrobenzoic acid. C) mixture of the and pre-nitrobenzoic acid. D -nitrobenzoic acid. 3) What is the electrophile in the Friedel-Crafts alkylation...
Which one if the following reactions is most likely to give a
polysubstituted product? Also i need help on question 29. Thank you
28. Which one of the following reactions is most likely to give a polysubstituted product? A) Friedel-Crafts alkylation B) Friedel-Crafts acylation C) Nitration D) Sulfonation E) Halogenation 29. Predict the major product for the following reaction. AlCl3
r each compound below, identify which position(s) is/are most likely to undergo an electrophilic aromatic substitution reaction? Circle the carbon that undergoes electrophilic substitution. (3) b. CH NO2 O2N What Wittig reagent and carbonyl compounds are used to synthesize the following compound? (2) c. (CH3CH2)2C-cHCHCH2CH3 Write the equations to convert benzene to the following compounds? Some conversions need more than one step. (10) 3. a. Toluene b. m-bromo nitrobenzene c. Benzene sulfonic acid d. Aniline e. Benzoic acid
r each...
7. Predict the major product for the reaction between benzene and 2-chlorobutane i presence of AlCl3. A) Chlorobenzene B) sec-butylbenzene C) ethylbenzene D) isopropylbenzene E) 1-butylbenzene 8. Predict the major product for the following reaction. H2SO 9. Predict the structure of the major product for the following reaction. CHICH2CCI AlCl 10. Predict the structure of the major product for the following reaction. O o CH CH2CH COCCH2CH2CH AlCl
3 pts Predict the major product(s) of the following reaction. Select all that apply. If a reaction would yield both ortho and para products, select both answers. HNO3 H2SO4 Product NO2 ON ON NO2 А B с D B А No Reaction. The reaction would not give a product. Ос OD Rank the substituted benzene molecules in order from 1 - most activated to 5 - least activated (most deactivated) towards electrophilic aromatic substitution. OH CF3 он Br A B...
6-8
6. Which of the following alkyl-substituted aromatic compounds will be the least ortho directing? a. b. C. d. 7. What major factors affect regioselectivity in electrophilic aromatic substitution reactions? a. Steric and inductive effects only b. Steric, statistical, and electronic effects (electron withdrawing electron donating) c. Statistical and electronic effects only d. Electronic effects only 8. Which of the following statements is always true regarding amino substituents (-NH, -NHR, and -NR.)? a. An additional resonance structure can be drawn...
6-11
X 2 6. Which one of the following is the intermediate in the bromination of toluene? (a)! 9) (c) III (d) IV CH3 che CH3z + BH 7. Which is the correct order of reactivity of the following three compounds in brominaion reactions? Most reactive first, least reacting last. O CH 3 13 (m) 3>>>I (6) 1>3>2 () 1>3 () >>1>2 8. In the nitration of the following compound the bromine will add on which carbon? (a) 1 (b)...
There are 3 pictures, 18 exercises in total. Topics are Benzenes
and their reactions
No -I ab 0 CH3 Br nooit 1. Aromatic molecules contain Tt electrons. a. 4n b. 4n+2 c. An odd number d. 4n+1 c. Zero Condition needed for benzene halogenation to occur a. NaC1, 1120 b. C12, H20 c. C12, AICI3 d. NaCl, CH3OH e. C12, CC14 3. In an electrophilic aromatic substitution, the hydroxyl group orients ortho-para because a, removes electronic density from the benzene...
Given the reaction below, which product is most likely to form
as the major product?
Name: CORRECTIONS 29. Given the reaction below, which product is most likely to form as the major product? 70 °C d. e. B E b. c. D A
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