MDCAT Chemistry MCQ #282

In a reduction experiment, one mole of propanone is converted into propan-2-ol using NaBH4. How many moles of atomic hydrogen [H] are required?

MDCAT Chemistry MCQ #282

  1. Question 1

    Q1. In a reduction experiment, one mole of propanone is converted into propan-2-ol using NaBH4. How many moles of atomic hydrogen [H] are required?

    • A) 1 mole
    • B) 2 moles
    • C) 3 moles
    • D) 4 moles

    Answer: 2 moles

    Explanation: Reducing one carbonyl group to an alcohol requires two nascent hydrogen atoms. Four hydrogens are tempting but only needed for full hydrocarbon reduction.