MDCAT Chemistry MCQ #701

A chemist hydrolyzes 0.5 moles of methyl magnesium iodide with water. What volume of gas is produced at standard temperature and pressure (STP)?

MDCAT Chemistry MCQ #701

  1. Question 1

    Q1. A chemist hydrolyzes 0.5 moles of methyl magnesium iodide with water. What volume of gas is produced at standard temperature and pressure (STP)?

    • A) 11.2 dm3
    • B) 22.4 dm3
    • C) 5.6 dm3
    • D) 44.8 dm3

    Answer: 11.2 dm3

    Explanation: Hydrolysis of 0.5 mol methyl magnesium iodide produces 0.5 mol methane, occupying 11.2 dm3 at STP. Option B incorrectly assumes 1.0 mol production.