Considering a binary solution of components A and B obeys Raoult’s law, which of the following is true?

• A. Total vapor pressure cannot be related to mole fraction of only one component
• B. Total vapor pressure of one component varies non-linearly with another component
• C. A plot of vapor pressures of both components gives a linear plot
• D. Total vapor pressure of solution always decreases with increase in mole fraction of a component