MDCAT Chemistry MCQ #430

When benzaldehyde is treated with concentrated 50% sodium hydroxide, it undergoes a self oxidation-reduction reaction. What are the resulting products?

MDCAT Chemistry MCQ #430

  1. Question 1

    Q1. When benzaldehyde is treated with concentrated 50% sodium hydroxide, it undergoes a self oxidation-reduction reaction. What are the resulting products?

    • A) Benzoic acid only
    • B) Benzyl alcohol and Sodium benzoate
    • C) Cinnamic acid
    • D) Benzophenone

    Answer: Benzyl alcohol and Sodium benzoate

    Explanation: Benzaldehyde lacks alpha-hydrogens and undergoes disproportionation (Cannizzaro). Benzoic acid is the oxidized product, while benzyl alcohol is the reduced one.