MDCAT Chemistry MCQ #386

A chemist wants to reduce propanone to propane under acidic conditions. Which specific reagent combination must be employed for this Clemmensen reduction?

MDCAT Chemistry MCQ #386

  1. Question 1

    Q1. A chemist wants to reduce propanone to propane under acidic conditions. Which specific reagent combination must be employed for this Clemmensen reduction?

    • A) Hydrazine and Potassium hydroxide
    • B) Lithium aluminum hydride in ether
    • C) Zinc amalgam and concentrated Hydrochloric acid
    • D) Sodium borohydride in aqueous ethanol

    Answer: Zinc amalgam and concentrated Hydrochloric acid

    Explanation: Clemmensen reduction uses Zn-Hg/HCl to reduce carbonyls to alkanes. Option A is the Wolf-Kishner reagent used in basic conditions.