Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when
Options:
A .  only vapor phase follows Raoult's law.
B .  only liquid phase obeys Dalton's law.
C .  liquid phase obeys Dalton's law and vapor phase obeys Raoult's law.
D .  Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law.
Answer: Option D Answer: (d).Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law.
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