Question

State True or False.

Rate of diffusion is directly proportional to the square root of the molecular mass of substance.

• A. True
• B. False

Answer 1

The correct option is B False

The given statement is false.
Rate of diffusion is inversely proportional to the square root of the molecular mass of substance.
This is according to Graham's law of diffusion.
rate of diffusion $\propto \sqrt{\frac{1}{\text{molecular mass}}}$