A mixture undergoing multicomponent diffusion is analyzed through the Maxwell-Stefan approach. With regard to this approach which among the following statements are incorrect? The difference in the partial pressure of the Component A over a small distance ∆z (AB)is proportional to

• A. The molar concentration at the two points
• B. Length of the diffusion path
• C. Velocity at the point A
• D. Difference in the velocities at point A and B