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Determine the repeat unit for the polymer produced in the following reaction. Determine the repeat unit for the polymer produced in the following reaction. A) B) C) D)


A) Determine the repeat unit for the polymer produced in the following reaction. A) B) C) D)
B) Determine the repeat unit for the polymer produced in the following reaction. A) B) C) D)
C) Determine the repeat unit for the polymer produced in the following reaction. A) B) C) D)
D) Determine the repeat unit for the polymer produced in the following reaction. A) B) C) D)

E) A) and D)
F) All of the above

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Upon treatment with NBS and irradiation with UV light, 1-ethyl-4-methylbenzene produces exactly three monobrominated compounds (including stereoisomers). Draw the products of this reaction.

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Propose a sequence of reactions to accomplish the following synthesis. Propose a sequence of reactions to accomplish the following synthesis.

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1. Br2, light
2. pota...

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One possible product of thermal cracking of hexane is 1-butene. Draw arrows to suggest a possible mechanism for this process starting from an alkyl radical.

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Which of the following are major products of the reaction shown? Which of the following are major products of the reaction shown? A) I B) I, II C) I, IV D) I, III E) I, II, III, IV Which of the following are major products of the reaction shown? A) I B) I, II C) I, IV D) I, III E) I, II, III, IV


A) I
B) I, II
C) I, IV
D) I, III
E) I, II, III, IV

F) A) and E)
G) A) and C)

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Propose a synthesis of 1-iodo-2-methylpropane from 2-methylpropene.

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Give the arrows to show the mechanism of the following radical process. Give the arrows to show the mechanism of the following radical process.

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Which term best describes the process shown below? Which term best describes the process shown below? A) neutralization B) propagation C) termination D) initiation E) elimination


A) neutralization
B) propagation
C) termination
D) initiation
E) elimination

F) C) and E)
G) A) and B)

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Predict the product(s) of the following reaction. Predict the product(s) of the following reaction. A) I B) II C) III D) I, II E) I, II, III, IV Predict the product(s) of the following reaction. A) I B) II C) III D) I, II E) I, II, III, IV


A) I
B) II
C) III
D) I, II
E) I, II, III, IV

F) B) and C)
G) B) and D)

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Which of the following are possible product(s) of the reaction shown? Which of the following are possible product(s) of the reaction shown? A) I B) I, II C) I, II, IV, V D) I, III, IV, V E) I, II, III, IV, IV Which of the following are possible product(s) of the reaction shown? A) I B) I, II C) I, II, IV, V D) I, III, IV, V E) I, II, III, IV, IV


A) I
B) I, II
C) I, II, IV, V
D) I, III, IV, V
E) I, II, III, IV, IV

F) A) and D)
G) A) and C)

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Draw the major product(s) of the following reaction. Is the product optically active? Explain. Draw the major product(s) of the following reaction. Is the product optically active? Explain.

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blured image_TB4454_00 The mixture is not ...

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Free radical chlorination of ethane can produce higher halogenation products such as dichloroethane, trichloroethane, tetrachloroethane, pentachloroethane, and hexachloroethane. How could the production of higher halogenated products be minimized?


A) use an excess of chlorine
B) use an excess of ethane
C) use equimolar chlorine and ethane
D) it is not possible to minimize the production of higher halogenated products

E) A) and B)
F) A) and C)

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Which of the following compounds would be expected to be least destructive to the ozone layer?


A) CCl3F
B) CCl2F2
C) CCl2FCCl2F
D) CF3CH2F

E) B) and D)
F) A) and D)

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Give the arrows to show the mechanism of the following radical process. Give the arrows to show the mechanism of the following radical process.

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Draw the product of coupling of the following radicals. Draw the product of coupling of the following radicals.

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Which of the following is the most stable radical? Which of the following is the most stable radical? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) A) and E)
G) B) and E)

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Which term most accurately describes the process shown below? Which term most accurately describes the process shown below? A) hydrogen abstraction B) halogen abstraction C) homolytic cleavage D) coupling E) elimination


A) hydrogen abstraction
B) halogen abstraction
C) homolytic cleavage
D) coupling
E) elimination

F) B) and D)
G) C) and D)

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Identify an example of termination.


A) homolytic cleavage
B) heterolytic cleavage
C) hydrogen abstraction
D) coupling
E) hydrogen addition

F) None of the above
G) B) and E)

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Predict the major product(s) of the reaction shown below. Predict the major product(s) of the reaction shown below. A) I B) II C) III D) IV E) II and III Predict the major product(s) of the reaction shown below. A) I B) II C) III D) IV E) II and III


A) I
B) II
C) III
D) IV
E) II and III

F) B) and C)
G) A) and E)

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Upon treatment with NBS and irradiation with UV light, 2-isopropyl-3-methyl-1-butene reacts to produce exactly two monobrominated compounds. Draw the products of this reaction.

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