MDCAT Chemistry MCQ #660

A researcher needs to synthesize pure methane gas from methyl magnesium bromide in a laboratory. Which substance should be added to the Grignard reagent?

MDCAT Chemistry MCQ #660

  1. Question 1

    Q1. A researcher needs to synthesize pure methane gas from methyl magnesium bromide in a laboratory. Which substance should be added to the Grignard reagent?

    • A) Distilled water
    • B) Dry ether
    • C) Magnesium metal
    • D) Ethyl alcohol

    Answer: Distilled water

    Explanation: Grignard reagents react with water to produce alkanes by abstracting a proton. Dry ether is tempting but it is the solvent.