Two liquids A and B form an ideal solution at temperature T K. At T K, the vapour pressures of pure A and B are 55 and 15 kN m ⁻² respectively. What is the mole fraction of A in solution of A and B in equilibrium with a vapour in which the mole fraction of A is 0.8?

Solutions: JEE Main 2026 Chemistry question

JEE Main 2026 · 24 Jan, Evening shift · Q54

JEE Main 202624 Jan, Evening shiftChemistryMediumSolutions71× since 2002

Two liquids A and B form an ideal solution at temperature T K. At T K, the vapour pressures of pure A and B are 55 and 15 kN m

^{-2}

respectively. What is the mole fraction of A in solution of A and B in equilibrium with a vapour in which the mole fraction of A is 0.8?

JEE Main 2026 · 24 Jan, Evening shift · Q54

JEE Main 202624 Jan, Evening shiftChemistryMediumSolutions71× since 2002

Two liquids A and B form an ideal solution at temperature T K. At T K, the vapour pressures of pure A and B are 55 and 15 kN m

^{-2}

respectively. What is the mole fraction of A in solution of A and B in equilibrium with a vapour in which the mole fraction of A is 0.8?