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Which is not a correct mechanistic intermediate of the para bromination of phenol? OH OH OH...
Which is not a correct mechanistic intermediate of the para bromination of phenol? OH Br OH BE Br a CWU O * ch 5 6 8 . Br OH Br Question 2 (3 points)
VU SLUI LI punis) Which is not a correct mechanistic intermediate of the para bromination of aniline? Онен Br NH2 Br NH Br NH o 23 $ 4 % Сл 6 & Which is not a correct mechanistic intermediate of the para bromination of aniline Онен Br NH2 Br NH BE BE % 4 5 6 & 7 co 9 C
Which is not a correct mechanistic intermediate of the ortho bromination of anisole? ونه OCH OCH ۔ OCH
Which out of the following can be used as a stationary phase in Gas Chromatography? Oheptane helium alumina carbowax Question 30 (3 points) Which is not a correct mechanistic intermediate of the para bromination of phenol? OH Br OH BA Question 32 (3 points) At the end of an experiment, there is some left over 4-chlorophenol. It has the empirical formula C3H30Ci , a melting point of 45 °C, and a boiling point of 217 ° C. Into which waste...
D Question 19 6 pts The bromination of anisole at the para position occurs through a resonance stabilized sigma complex. All of the structures drawn are correct, but which resonance contributor is the most stable (i.e. which one is the major contributor)? Br S . Н 1
6-9
2 6. Which one of the following is the intermediate in the bromination of tolume (1)! (0) (0) (d) ch 대 75.1 LH Br Вт # Bm 7. Which is the correct order of reactivity of the following three compounds in brominaion reactions? Most reactive first, least reactive last. c . a-HH3 (a) 3>>>1 (b) 1>3>2 (e) >1>3 (d) 3>1>2 8. In the nitration of the following compound the bromine will add on which carbon? (a) 1 (b) 2...
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...
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Question 1 Which of the following mechanistic steps represents the loss of a leaving group? OH OH2 H Br II 18-05-4 IV AI B. II C. D.IV Question 3 What is product of the following reaction sequence? ОН 1. PCC 2. C2H5MgBr 3. Н* wоrkup ОН ОН ОН IV ОА І В. І С. ІІІ OD. IV Question 4 What is the major product formed in the following reaction? Br NaH A NH2...
13 Reaction of benzene with the reagents listed here afforded which product? 6) CuBr 7) Mg, 8) ZnBr2 9)-、_1 10) Pd(PPh). A) B) C) D) E) None of the above 14: Which of the following structures contribute(s) to the resonance hybrid of the intermediate formed when acetanilide undergoes para-bromination? H Br H Br H Br H Br IV A)I B) C) III, IV D) None of the above E) All of the above 15: Reaction of styrene with the reagents...
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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)...