Which of the following intermediates is present in the acid-catalyzed hydrolysis of t-butylacetate but not in the acid-catalyzed hydrolysis of methyl acetate?()
A. a protonated carbonyl
B. a carbocation
C. a carbanion
D. a carboxylate anion
E. 1-propanol
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Which of the following conditions will drive the equilibrium of the acid-catalyzed esterification towards ester formation?()
A. addition of water
B. removal of water as it is formed
C. addition of an inorganic acid as a catalyst
D. addition of alcohol
E. both B and D
Which of the following is least likely to be found in the product mixture which results when 2,2-dimethyl-3-pentanol is heated in phosphoric acid?()
A. E-4,4-dimethyl-2-pentene
B. Z-4,4-dimethyl-2-pentene
C. 2,3-dimethyl-2-pentene
D. 2,3-dimethyl-1-pentene
E. 4,4-dimethyl-1-pentene
Which of the following is the strongest acid?()
A. CH3NH2
B. CH3OH
CH3SH
D. CH3OCH3
E. CH3Cl
Which of the following is the best method for preparing CH3Br?()
A. CH3OH + Br-
B. CH3OH + HBr
CH3OH + Br2
D. CH3OH + NaBr
E. CH3OH + Br+