4609Chemical EngineeringMedium
Relative volatility varies with the concentration of component for an ideal solution. The relative volatility of a binary mixture may be defined as the ratio of vapor pressure of component ‘A’ to that of component ‘B’, when________?
AOnly vapor phase follows Raoult’s law
BVapor phase obeys Dalton’s law and liquid phase obeys Raoult’s law
CLiquid phase obeys Dalton’s law and vapor phase obeys Raoult’s law
DOnly liquid phase obeys Dalton’s law
Correct answer
B. Vapor phase obeys Dalton’s law and liquid phase obeys Raoult’s law
Explanation
The correct answer is Vapor phase obeys Dalton’s law and liquid phase obeys Raoult’s law.