engineering chemistry MCQ #3389

The gas with the highest rate of diffusion is:

engineering chemistry MCQ #3389

  1. Question 1

    Q1. The gas with the highest rate of diffusion is:

    • A) He
    • B) H2
    • C) O2
    • D) N2

    Answer: H2

    Explanation: H2 has the lowest molecular mass, so it diffuses the fastest according to Graham's Law.