The following is a graph plotted between the vapour pressure of two volatile liquids against their respective mole fractions. Which of the following statements is/are correct?

Options

A. When `chi_(A)=1` and `chi_(B)=0`, then `P=P_(A)^(@)`.
B. When `chi_(B)=1` and `chi_(A)=0`, then `P=P_(B)^(@)`.
C. When `chi_(A)=1` and `chi_(B)=0`, then `PltP^(@)`.
D. When `chi_(B)=1` and `chi_(A)=0`, then `PgtP^(@)`.

Answer

A, B