MDCAT Chemistry MCQ #448

A chemist reduces 22 grams of acetaldehyde using sodium borohydride. What is the maximum theoretical yield of the resulting alcohol in grams?

MDCAT Chemistry MCQ #448

  1. Question 1

    Q1. A chemist reduces 22 grams of acetaldehyde using sodium borohydride. What is the maximum theoretical yield of the resulting alcohol in grams?

    • A) 11.5g
    • B) 23.0g
    • C) 46.0g
    • D) 92.0g

    Answer: 23.0g

    Explanation: 22g of acetaldehyde is 0.5 moles, which yields 0.5 moles of ethanol (23g). 46g is the yield for a full mole.