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Q: Which of the following options is true with respect to diffusion of gases with respect to solid and liquid?
  • A. Diffusion rate of a fluid is higher than that of gases or gas
  • B. Diffusion rate of gases is higher than that of liquid and / or solid
  • C. The diffusion rate of the solid is higher than that of liquid or gas.
  • D. Diffusion rates of gases are lower than those of liquids and solids.
Correct Answer: Option B - Diffusion rate of gases is higher than that of liquid and / or solid because gas particle moves freely. The rate of diffusion is maximum in gases as space between the constituent particle of gases are larger as compared to both liquid and solids.
B. Diffusion rate of gases is higher than that of liquid and / or solid because gas particle moves freely. The rate of diffusion is maximum in gases as space between the constituent particle of gases are larger as compared to both liquid and solids.

Explanations:

Diffusion rate of gases is higher than that of liquid and / or solid because gas particle moves freely. The rate of diffusion is maximum in gases as space between the constituent particle of gases are larger as compared to both liquid and solids.