Question

Rate of diffusion of a gas is

• A. directly proportional to its density
• B. directly proportional to its molecular weight
• C. directly proportional to the square root of its molecular weight
• D. inversely proportional to the square root of its molecular weight

Answer 1

Answer: (D)

According to Graham's Law of diffusion of gases, the rate of diffusion of a gas is inversely proportional to the square root of its molecular mass