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23) How many distinct trichlorobenzene isomers are possible? A) 2 B) 3...
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH...
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH 2 2) Under what reaction conditions would the electrophilic chlorination of aromatic compounds usually occur? A) Cl2, AlCl3 B) C12, CCl4 C) Cl2, H20 D) NaCl, H20 E) NaCI, CH3OH 3) 3) Which of the following is the strongest activating group in electrophilic aromatic substitution reactions? A) -CO2CH3 B)-NO2 C) -OCH3 D) -CH2CH3 E) -N(CH3)2 4) _ 4) In electrophilic aromatic substitution reactions the...
1. In electrophilic aromatic substitution reactions a bromine substituent: A) is a deactivator and a m-director....
1. In electrophilic aromatic substitution reactions a bromine substituent: A) is a deactivator and a m-director. C) is an activator and a m-director. E) none of the above B) is a deactivator and an o,p-director. D) is an activator and an o,p-director. 2. Provide a detailed, stepwise mechanism for the reaction of benzene with Br2 and FeBr3. Make sure to include the activating reaction between Br2 and FeBr3 in your mechanism.
1) What is/are the product (s) in the following reaction so,0, A) I only B) Il...
1) What is/are the product (s) in the following reaction so,0, A) I only B) Il only C) III only D) II and IV E) I and IV 2) A -NO2 substituent on the aromatic ring is a _in electrophilic aromatic substitution reactions. 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. 3) Which compound would be expected to show a broad peak around 3000cm-1?...
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...
please correct if wrong CHCHCHCH-CH-CH о сненск-сн-сас с он, сносненснен CH, CH Which of the following...
please correct if wrong
CHCHCHCH-CH-CH о сненск-сн-сас с он, сносненснен CH, CH Which of the following is expected to ered to be the most statene Which of the following is most reactive as a dienophile in Diels-Alder reaction NON B CN D) 4. The C-C single bond in the between the alkyne and alkene bonds is formed by the overlap of what type of orbitals? A) sp-sp B) sp -sp? C) sp-sp? O sp-sp? E) sp -sp 5. Which of...
Please answer Questions 8,9, & 10 and explain why please. Thanks! 8. Which compound is the...
Please answer Questions 8,9,
& 10 and explain why please. Thanks!
8. Which compound is the reactant for this reaction? OH ? 1. NaOH (excess), 70°C 2. H30* NO2 H NO2 NO2 B. NO2 NO2 D Br NO2 E. A. C. 9. Which statement best describes the aromaticity and UV-vis spectra of these two substances? II A. Both are aromatic. The longest wavelength of absorbance of I is larger than that of II. B. Both are aromatic. The longest wavelength...
PLEASE ANSWER ALL QUESTIONS 34) Which sequence correctly ranks the following aromatic rings in order of...
PLEASE ANSWER ALL QUESTIONS
34) Which sequence correctly ranks the following aromatic rings in order of increasing rate of reactivity in an electrophilic aromatic substitution reaction? LOCH A) 1<2<3 B) 2 <3 <1 C) 3 <1<2 D) 2 <1<3 35) Derivatives of the compound shown below are currently being examined for their effectiveness in treating drug addiction and metabolic syndrome (J. Med. Chem. 2006, 872). Which sequence ranks the following aromatic rings of this compound in order of increasing reactivity...
23) What is the following compound's systematic name? 23) CHE CH, CH CH,CHCH, A) 2-methyl-4-heptanone B)2-methyl-4-pentanone...
23) What is the following compound's systematic name? 23) CHE CH, CH CH,CHCH, A) 2-methyl-4-heptanone B)2-methyl-4-pentanone 2-methyl-4-hexanone D) 5-methyl-3-heptanone E) 5-methyl-3-hexanone 24) Which of the following is phenol? 24) CH2OH ОН I IV. op CH SO3H IT. III OCH A) B) IT D) IV E) V 25) 25) Which of the following substituents is a strong deactivator? A) -OCH3 B) -NO2 C)-COOH D) - E) none of the above
Please help me with all 4 questions please. I'm struggling with 2,3 and 4. I think...
Please help me with all 4 questions please. I'm struggling with
2,3 and 4. I think 1 is B
1. How many ones are in the adjacency matrix of the following compound? a. 10 b. 8 C. 6 d. 4 e. not a.-d. 2. Which structure is has S and Z stereochemistry? e. not a.-d a. b. d. 3. Which picture best represents the Pi-energy diagram of the arenium ion intermediate of electrophilic a substitution of benzene? Hint: The arenium...
please answer ALL. select all answers that apply. will give a rating. thank you! Which of...
please answer ALL. select all answers that apply. will give a
rating. thank you!
Which of the following bonds in the tertiary amine shown, CANNOT be formed via reductive amination? Select all that apply. (A). (B) (C) Ос Ов ОА Acetal formation is an equilibrium reaction that doesn't favor the formation of the acetal product. What can you do to drive the reaction to completion? Select all that apply. Remove H20 Add more acid Add excess ROH Remove ROH Add...
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH 2 2) Under what reaction conditions would the electrophilic chlorination of aromatic compounds usually occur? A) Cl2, AlCl3 B) C12, CCl4 C) Cl2, H20 D) NaCl, H20 E) NaCI, CH3OH 3) 3) Which of the following is the strongest activating group in electrophilic aromatic substitution reactions? A) -CO2CH3 B)-NO2 C) -OCH3 D) -CH2CH3 E) -N(CH3)2 4) _ 4) In electrophilic aromatic substitution reactions the...
1. In electrophilic aromatic substitution reactions a bromine substituent: A) is a deactivator and a m-director. C) is an activator and a m-director. E) none of the above B) is a deactivator and an o,p-director. D) is an activator and an o,p-director. 2. Provide a detailed, stepwise mechanism for the reaction of benzene with Br2 and FeBr3. Make sure to include the activating reaction between Br2 and FeBr3 in your mechanism.
1) What is/are the product (s) in the following reaction so,0, A) I only B) Il only C) III only D) II and IV E) I and IV 2) A -NO2 substituent on the aromatic ring is a _in electrophilic aromatic substitution reactions. 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. 3) Which compound would be expected to show a broad peak around 3000cm-1?...
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...
please correct if wrong
CHCHCHCH-CH-CH о сненск-сн-сас с он, сносненснен CH, CH Which of the following is expected to ered to be the most statene Which of the following is most reactive as a dienophile in Diels-Alder reaction NON B CN D) 4. The C-C single bond in the between the alkyne and alkene bonds is formed by the overlap of what type of orbitals? A) sp-sp B) sp -sp? C) sp-sp? O sp-sp? E) sp -sp 5. Which of...
Please answer Questions 8,9,
& 10 and explain why please. Thanks!
8. Which compound is the reactant for this reaction? OH ? 1. NaOH (excess), 70°C 2. H30* NO2 H NO2 NO2 B. NO2 NO2 D Br NO2 E. A. C. 9. Which statement best describes the aromaticity and UV-vis spectra of these two substances? II A. Both are aromatic. The longest wavelength of absorbance of I is larger than that of II. B. Both are aromatic. The longest wavelength...
PLEASE ANSWER ALL QUESTIONS
34) Which sequence correctly ranks the following aromatic rings in order of increasing rate of reactivity in an electrophilic aromatic substitution reaction? LOCH A) 1<2<3 B) 2 <3 <1 C) 3 <1<2 D) 2 <1<3 35) Derivatives of the compound shown below are currently being examined for their effectiveness in treating drug addiction and metabolic syndrome (J. Med. Chem. 2006, 872). Which sequence ranks the following aromatic rings of this compound in order of increasing reactivity...
23) What is the following compound's systematic name? 23) CHE CH, CH CH,CHCH, A) 2-methyl-4-heptanone B)2-methyl-4-pentanone 2-methyl-4-hexanone D) 5-methyl-3-heptanone E) 5-methyl-3-hexanone 24) Which of the following is phenol? 24) CH2OH ОН I IV. op CH SO3H IT. III OCH A) B) IT D) IV E) V 25) 25) Which of the following substituents is a strong deactivator? A) -OCH3 B) -NO2 C)-COOH D) - E) none of the above
Please help me with all 4 questions please. I'm struggling with
2,3 and 4. I think 1 is B
1. How many ones are in the adjacency matrix of the following compound? a. 10 b. 8 C. 6 d. 4 e. not a.-d. 2. Which structure is has S and Z stereochemistry? e. not a.-d a. b. d. 3. Which picture best represents the Pi-energy diagram of the arenium ion intermediate of electrophilic a substitution of benzene? Hint: The arenium...
please answer ALL. select all answers that apply. will give a
rating. thank you!
Which of the following bonds in the tertiary amine shown, CANNOT be formed via reductive amination? Select all that apply. (A). (B) (C) Ос Ов ОА Acetal formation is an equilibrium reaction that doesn't favor the formation of the acetal product. What can you do to drive the reaction to completion? Select all that apply. Remove H20 Add more acid Add excess ROH Remove ROH Add...
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