Which of the Following Aldehydes Can Exist in Equilibrium with a Cyclic

question 29

Multiple Choice

Which of the following aldehydes can exist in equilibrium with a cyclic hemiacetal?

• A) 4-pentenal
• B) 3-hydroxypropanal
• C) 2-hydroxybutanal
• D) 3-hydroxybutanal
• E) 4-hydroxybutanal

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