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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।

ChemistryWhich mixture is most likely to form a minimum-boiling azeotrope?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12MediumChemistryIf the actual vapour pressure of a solution is lower than the ideal value and heat is released on mixing, what deviation is shown?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12MediumChemistryIf the vapour pressure of a real solution is much higher than the value predicted by Raoult’s law, what molecular behaviour is likely?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12MediumChemistryWhat is the deeper reason for decrease in vapour pressure when a non-volatile solute is added to a liquid?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIn an ideal solution, the partial pressures of components A and B are 30 kPa and 70 kPa, respectively. What is the mole fraction of B in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11MediumChemistryIn an ideal binary solution, the pure vapour pressure of component A is 200 kPa and that of component B is 50 kPa. If the mole fraction of A is 0.4, what is the total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11MediumChemistryIf the vapour pressure of pure solvent is 120 kPa and the vapour pressure of the solution is 90 kPa, what is the mole fraction of the solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10EasyChemistryIn an ideal solution, the vapour pressure of pure solvent is 80 kPa and the mole fraction of solvent is 0.75. What is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryWhich option gives the most exam-useful correct statement related to vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf solvent mole fraction in a solution is 0.76, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIn a solution, pure solvent vapour pressure is 96 kPa and lowering of vapour pressure is 24 kPa. What is the relative lowering?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf in an ideal solution the partial pressure of A is 55 kPa and that of B is 45 kPa, what is total pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhat is the pure vapour pressure of a more volatile component like?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhy does increasing the surface area of a liquid not change its equilibrium vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIn an ideal solution, liquid mole fraction of A is 0.60. Pure pressure of A is 50 kPa and of B is 100 kPa. What is the total pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6MediumChemistryThe vapour pressure of a solution is 20 percent lower than that of pure solvent. Assuming non-volatile solute, what is the mole fraction of solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryWhy does relative lowering of vapour pressure have no unit?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf unlike molecular attraction becomes very strong while mixing two liquids, what happens to vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhen like and unlike molecular attractions in a mixture of two liquids are nearly equal, what type of solution is formed?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIn a binary solution, total vapour pressure is 90 kPa and partial pressure of component A is 36 kPa. What is mole fraction of A in vapour?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy