27. Which of the following is the best method for preparing CH3Br? A) CH3OH + Br- B) CH3OH + HBr C)CH3OH + Br2 D) CH3OH + NaBr E) CH3OH + Br+ 28. When 1-pentanol is heated with HCl/ZnCl2, 1-chloropentane is the major organic product. This reaction proceeds through an is produced as a byproduct. mechanism, and A) SN1, H2O B) SN2, H2O C) SN1, H2 D) SN2, H2 E) E2, H2 29. What is the major product of the following reaction? CH3 CH37 A. E. C CH 3 OH CH 37 CHCH3 + HBr CH 37 CH3Br II C CHCH3 CH 3 CH 3 CH 3 C CH2CH3 CH2Br CH3 Br heat B. -CH2CH2CH3 CH 37 CH3 -CH2CH2 CH3 Br CH 3 af CH 37 C C. -CHCH 3 Br CH3 D.

Organic Chemistry
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ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter21: Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions
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Problem 54AP: The following reactivity order has been found for the saponification of alkyl acetates by aqueous...
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27. Which of the following is the best method for preparing CH3Br?
A) CH3OH + Br-
B) CH3OH + HBr
C)CH3OH + Br2
D) CH3OH + NaBr
E) CH3OH + Br+
28. When 1-pentanol is heated with HCl/ZnCl2, 1-chloropentane is the major organic product. This
reaction proceeds through an
is produced as a byproduct.
mechanism, and
A)
SN1, H2O
B) SN2, H2O
C) SN1, H2
D) SN2, H2
E) E2, H2
29. What is the major product of the following reaction?
CH3
CH37
A.
E.
C
CH 3 OH
CH 37
CHCH3 + HBr
CH 37
CH3Br
II
C CHCH3
CH 3
CH 3
CH 3 C CH2CH3
CH2Br
CH3
Br
heat
B.
-CH2CH2CH3
CH 37
CH3
-CH2CH2
CH3 Br
C.
CH 37
CH 3
C
-CHCH 3
Br CH3
D.
Transcribed Image Text:27. Which of the following is the best method for preparing CH3Br? A) CH3OH + Br- B) CH3OH + HBr C)CH3OH + Br2 D) CH3OH + NaBr E) CH3OH + Br+ 28. When 1-pentanol is heated with HCl/ZnCl2, 1-chloropentane is the major organic product. This reaction proceeds through an is produced as a byproduct. mechanism, and A) SN1, H2O B) SN2, H2O C) SN1, H2 D) SN2, H2 E) E2, H2 29. What is the major product of the following reaction? CH3 CH37 A. E. C CH 3 OH CH 37 CHCH3 + HBr CH 37 CH3Br II C CHCH3 CH 3 CH 3 CH 3 C CH2CH3 CH2Br CH3 Br heat B. -CH2CH2CH3 CH 37 CH3 -CH2CH2 CH3 Br C. CH 37 CH 3 C -CHCH 3 Br CH3 D.
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