What is the product when ethanal is treated with cold dilute NaOH?
Correct answer D. 3-Hydroxybutanal
Explanation
In the aldol reaction, an enolate from one ethanal molecule adds to the carbonyl carbon of another, giving CH₃CH(OH)CH₂CHO, 3-hydroxybutanal. On heating it can lose water to form but-2-enal.
Answer checked How we write and check questions
Discussion