MDCAT Chemistry MCQ #325

A researcher wants to separate a ketone from a non-polar organic mixture. Which reagent is used to form a solid adduct that allows for purification?

MDCAT Chemistry MCQ #325

  1. Question 1

    Q1. A researcher wants to separate a ketone from a non-polar organic mixture. Which reagent is used to form a solid adduct that allows for purification?

    • A) Sodium bisulfite
    • B) HCN
    • C) 2,4-Dinitrophenylhydrazine
    • D) Phenylhydrazine

    Answer: Sodium bisulfite

    Explanation: The bisulfite addition product is a crystalline solid that can be filtered and then hydrolyzed back to the original carbonyl compound using dilute acid.