MDCAT Chemistry MCQ #641

When ethyl magnesium bromide is treated with a small amount of ethanol, a gas is evolved. What is the identity of this gaseous product?

MDCAT Chemistry MCQ #641

  1. Question 1

    Q1. When ethyl magnesium bromide is treated with a small amount of ethanol, a gas is evolved. What is the identity of this gaseous product?

    • A) Ethane
    • B) Ethyl magnesium bromide
    • C) Diethyl ether
    • D) Ethanol

    Answer: Ethane

    Explanation: Grignard reagents react with any source of acidic protons like ethanol to produce alkanes; ethyl magnesium bromide is wrong because it is the reactant.