MDCAT Chemistry MCQ #410

In the presence of dilute NaOH, two molecules of Acetaldehyde undergo a condensation reaction. What is the IUPAC name of the initial addition product?

MDCAT Chemistry MCQ #410

  1. Question 1

    Q1. In the presence of dilute NaOH, two molecules of Acetaldehyde undergo a condensation reaction. What is the IUPAC name of the initial addition product?

    • A) 2-hydroxybutanal
    • B) 3-hydroxybutanal
    • C) But-2-enal
    • D) 2-hydroxypropanal

    Answer: 3-hydroxybutanal

    Explanation: Aldol condensation of two Acetaldehyde molecules yields 3-hydroxybutanal. Option C is the dehydrated product (Crotonaldehyde).