Which of the following is the best leaving group?()
A. HO-
B. F-
Cl-
D. Br-
E. I-
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Identify the alkyl halide that reacts the fastest in an SN1 reaction.()
A. 2-chloro-2-methylpropane
B. 2-chlorobutane
C. 1-chlorobutane
D. chloromethane
Which of the following iodides undergoes SN1 solvolysis in water the fastest?()
A. 1-iodo-3-methylpentane
B. 2-iodopentane
C. 2-iodo-2-methylpentane
D. 3-iodopentane
E. 1-iodo-2,2-dimethylpentane
Which of the following alkyl bromides undergoes solvolysis in methanol without rearrangement?()
A. R-2-bromo-3-ethylpentane
B. S-2-bromo-3-ethylpentane
C. R-3-bromo-2-methylpentane
D. S-3-bromo-2-methylpentane
E. 3-bromo-3-ethylpentane
Which of the following alkyl bromides is likely to undergo rearrangement by a 1,2-methyl shift?()
A. benzyl bromide
B. 2-bromo-3-ethylpentane
C. 3-bromo-3-methylpentane
D. 2-bromo-3,3-dimethylpentane
E. 3-bromo-2,3-dimethylpentane
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