which of the following substituents will direct the incoming group to the ortho/para position during electrophilic...

which of the following substituents will direct the incoming group to the ortho/para position during electrophilic aromatic substitution

a) -NO2
b) -CF3
c)-Br
d) -COOCH3
e) -COCH3

Expert Solution

queen_honey_blossom answered 2 years ago

Explain why the methoxy group is a good activator and ortho- para director in electrophilic aromatic...

Explain why the methoxy group is a good activator and ortho- para director in electrophilic aromatic substitution reactions. Use resonance forms and the Wheland intermediate in your answer.

Why does the nitration of bromobenzene form ortho and para products in an Electrophilic Aromatic Substitution...

Why does the nitration of bromobenzene form ortho and para products in an Electrophilic Aromatic Substitution reaction?

3. Which of the following is an ortho and para-director and a deactivator? (10 pts) a....

3. Which of the following is an ortho and para-director and a deactivator? (10 pts) a. —NHCOCH2CH3 b. —CH2CH2CH3 c. —CH2CCl3 d. —COCH2CH2Cl e. none of the above

Explain how the percentages just given show that the methyl group exerts an ortho–para directive effect...

Explain how the percentages just given show that the methyl group exerts an ortho–para directive effect by considering the percentages that would be obtained if the methyl group had no effect on the orientation of the incoming electrophile.

Which of the following genes is responsible for direct suppression of BMP during limb growth? Group...

Which of the following genes is responsible for direct suppression of BMP during limb growth? Group of answer choices a, Wnt3a b. Fgf10 c. Fgf8 d. Shh e. Gremlin

Ortho, meta, and para-xylene (1,2-dimethylbenzene, 1,3-dimethylbenzene, and 1,4-dimethylbenzene) provide similar mass spectra which are very different...

Ortho, meta, and para-xylene (1,2-dimethylbenzene, 1,3-dimethylbenzene, and 1,4-dimethylbenzene) provide similar mass spectra which are very different from ethylbenzene. Explain why you would expect this based on the common fragmentation behavior of arenes. What would you expect to be the main fragments observed with ethylbenzene?

Which of the following is a relatively direct determinant of market structure? Group of answer choices...

Which of the following is a relatively direct determinant of market structure? Group of answer choices economies of scale the possible influence of medium-sized firms the possible influence of the smallest firms the influence of small firms

Question 50.5 pts Which of the following is NOT a major advantage of direct finance? Group...

Question 50.5 pts Which of the following is NOT a major advantage of direct finance? Group of answer choices Direct finance allows borrowers to diversify sources of funds. potentially reduced cost for borrowers. Direct finance reduces search and transactions costs. Direct finance allows greater flexibility in funding types. Flag this question Question 60.5 pts Calculate the effective annual interest rate if your bank quotes you 10% per annum, compounded quarterly. Group of answer choices 2.50% 14.01% 10% 10.38% Flag this...

Which of the following species is attacked by benzene in the electrophilic nitration reaction? (a)HNO3 (b)NO2-...

Which of the following species is attacked by benzene in the electrophilic nitration reaction? (a)HNO3 (b)NO2- (c)NO2+ (d) NO+ Which of the following is the strongest activating group in electrophilic aromatic substitution reactions? (a) CH2CH3 (b) OCH3 (c)CO2CH3 (d) NO2 In electrophilic aromatic substitution reactions a bromine substituent is (a) a deactivator and a m-director (b) a deactivator and an o,p-director (c) an activator and a m-director (d) an activator and an o,p-director 4. List at least two of the...

3a)Which group of the following manufacturing cost elements occurs in a process cost system? a. Direct...

3a)Which group of the following manufacturing cost elements occurs in a process cost system? a. Direct labour and direct material. b. Direct labour and conversion costs. c. Direct materials, direct labour, and manufacturing overhead. d. Manufacturing overhead and conversion costs. 3b) For which one of the following would a process cost system most likely be used? a. cruise ships b. motion pictures c. potato chips d. custom furniture 3c) The primary benefit of ABC is it provides a. more accurate...

Question