MDCAT Chemistry MCQ #427

Acetaldehyde is reacted with hydrogen cyanide followed by acid hydrolysis in a synthetic sequence. What is the final organic product formed?

MDCAT Chemistry MCQ #427

  1. Question 1

    Q1. Acetaldehyde is reacted with hydrogen cyanide followed by acid hydrolysis in a synthetic sequence. What is the final organic product formed?

    • A) Acetic acid
    • B) Lactic acid
    • C) Propionic acid
    • D) Oxalic acid

    Answer: Lactic acid

    Explanation: Acetaldehyde forms acetaldehyde cyanohydrin with HCN, which yields lactic acid upon hydrolysis. Propionic acid lacks the hydroxy group.