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Vapour Pressure

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf the actual pressure-composition graph lies below the ideal line, which conclusion is appropriate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryIf the actual pressure-composition graph lies above the ideal line, which conclusion is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryAccording to Raoult's law, what is the nature of graph between total vapour pressure and liquid composition for an ideal binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11MediumChemistryWater boils at lower temperature on a hill station. What is the correct vapour-pressure-based reason?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf vapour pressure of a liquid becomes equal to external pressure, which event can begin?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf all liquid in a closed vessel has completely converted into vapour, which caution about vapour pressure is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12MediumChemistryIn a closed vessel, surface area of a liquid is increased while temperature is kept constant. What is the final effect on equilibrium vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10MediumChemistryIf a liquid has very low vapour pressure, which pair about its intermolecular attraction and boiling point is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryWhat is the main reason for negative deviation in a mixture of acetone and chloroform?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12MediumChemistryWhich pair is more likely to form a nearly ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11MediumChemistryWhy are heat of mixing and volume change nearly zero in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10MediumChemistryIf vapour pressure is less than external pressure, which statement about boiling at that temperature is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIn an ideal binary solution, the pure vapour pressure of component A is lower than that of component B. At equal liquid mole fractions, which component will be less abundant in the vapour?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryIn which situation will the vapour pressure of a solution remain nearly equal to that of the pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIn a binary solution, the partial pressure of component A is 40 kPa and the total pressure is 100 kPa. What is the mole fraction of component B in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryIn a volatile binary ideal solution, what happens to total vapour pressure when the liquid mole fraction of the more volatile component is increased?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryWhich statement is most accurate for an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf the pure solvent vapour pressure is 50 kPa and the solute mole fraction is 0.2, what is the vapour pressure of a solution containing a non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryLiquid and vapour are in equilibrium in a closed vessel. Why does equilibrium vapour pressure increase when temperature rises?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryMaximum-boiling azeotrope is associated with which type of vapour-pressure behaviour?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12Medium