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. Vapour pressure of component A to that of component B
B. Vapour pressure of component A to the total pressure
C. Vapour pressure of component A to the partial pressure of A
D. Partial pressure of component A to the total pressure
Answer: Option A
This Question Belongs to Chemical Engineering >> Mass Transfer
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