Which of the following has the MOST acidic hydrogen? Select one: a. 3-hexanone b. 2,4-hexanedione c. 2,3-hexanedione d. 2,5-hexanedione

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter26: Aldol And Claisen Reactions
Section: Chapter Questions
Problem 5E
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Which of the following has the MOST acidic hydrogen?
Select one:
a. 3-hexanone
b. 2,4-hexanedione
c. 2,3-hexanedione
d. 2,5-hexanedione
Which of the following statements describes the first step in the mechanism of the aldol condensation?
Select one:
a. The carbonyl oxygen is protonated by the base ion.
b. The alpha hydrogen is abstracted by an acid to form the enolate anion.
c. A nucleophilic base attacks the carbonyl carbon atom.
d. An alpha hydrogen is abstracted by the base to form an enolate anion.
Transcribed Image Text:Which of the following has the MOST acidic hydrogen? Select one: a. 3-hexanone b. 2,4-hexanedione c. 2,3-hexanedione d. 2,5-hexanedione Which of the following statements describes the first step in the mechanism of the aldol condensation? Select one: a. The carbonyl oxygen is protonated by the base ion. b. The alpha hydrogen is abstracted by an acid to form the enolate anion. c. A nucleophilic base attacks the carbonyl carbon atom. d. An alpha hydrogen is abstracted by the base to form an enolate anion.
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