engineering chemistry MCQ #3371

The rate of diffusion of a gas is inversely proportional to the square root of its:

engineering chemistry MCQ #3371

  1. Question 1

    Q1. The rate of diffusion of a gas is inversely proportional to the square root of its:

    • A) Molecular mass
    • B) Density
    • C) Pressure
    • D) Temperature

    Answer: Molecular mass

    Explanation: Graham's Law states that rate of diffusion ∝ 1/√M, where M is molecular mass.