When the liquid phase and vapour phase of a binary system obeys Raoult’s and Dalton’s law respectively, the relative volatility is the ratio of________________________? | MCQ Hive

Chemical Engineering

Q When the liquid phase and vapour phase of a binary system obeys Raoult’s and Dalton’s law respectively, the relative volatility is the ratio of________________________?

A A. Vapour pressure of component a to that of component b
B B. Vapour pressure of component a to the total pressure
C C. Vapour pressure of component a to the partial pressure of a
D D. Partial pressure of component a to the total pressure

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