Which of the Following Are Intermediates in the Acid Catalyzed

question 18

Multiple Choice

Which of the following are intermediates in the acid catalyzed aldol reaction of propanal to form 2-methyl-2-pentenal?
1) enol
2) enolate
3) tetrahedral carbonyl intermediate
4) aldol

• A)only 1 and 2
• B)only 1, 3 and 4
• C)only 2, 3 and 4
• D)1, 2, 3 and 4

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