The total pressure exerted in ideal binary solution is given by P = P_(A)^(@)X_(A) + P_(B)^(@) X_(B) " where " P_(A)^(@) & P_(B)^(@) are the respective vapour pressure of pure components and X_(A) & X_(B) are their mole fraction in liquid phase. And composition of the vapour phase is determined with the help of Dalton's law of partial pressure. Y_(A) = (P_(A)^(@) X_(A))/(P) If total pressure exerted in an ideal binary solution is given by P = (5400)/(60 + 30Y_(A))mm " of " Hg. The value of P_(A)^(@) is

The total pressure exerted in ideal binary solution is given by P = P_

1.	The total pressure exerted in ideal binary solution is given by P = P_(A)^(@)X_(A) + P_(B)^(@) X_(B) " where " P_(A)^(@) & P_(B)^(@) are the respective vapour pressure of pure components and X_(A) & X_(B) are their mole fraction in liquid phase. And composition of the vapour phase is determined with the help of Dalton's law of partial pressure. Y_(A) = (P_(A)^(@) X_(A))/(P) If total pressure exerted in an ideal binary solution is given by P = (5400)/(60 + 30Y_(A))mm " of " Hg. The value of P_(A)^(@) is
Answer» 40MM of Hg 30 MM of Hg 60 mm of Hg 90 mm of Hg Answer :C