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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।

ChemistryWhy is the vapour pressure of a solution containing a non-volatile solute lower than that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhat is the correct relation between lowering of vapour pressure and elevation of boiling point when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryWhy does the freezing point of a solution decrease when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhat is the main reason for the elevation of the boiling point of a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryWhy does the vapour pressure of a solvent decrease when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhy does the boiling point of a solution become higher than that of the pure solvent when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the solute is volatile, why must the simple vapour-pressure-lowering relation for a non-volatile solute be used carefully?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryIf the vapour pressure of a pure solvent is 80 and the vapour pressure of the solvent in a solution is 72, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryIf the mole fraction of the solvent is 0.9 and the vapour pressure of the pure solvent is 100, what will be the vapour pressure of the solvent in the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf a non-volatile solute is dissolved in water, what is the main reason for lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10MediumChemistryIf relative lowering of vapour pressure is 0.2, what is the mole fraction of solute for a non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf mole fraction of solvent is 0.75 and pure vapour pressure is 200 in a solution with non-volatile solute, what is vapour pressure of solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf \(p_1^0 = 120\) and \(p = 108\), what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf pure vapour pressure of solvent is 100 and mole fraction of solvent is 0.8, what is the vapour pressure of solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryWhich statement shows the correct use of Raoult's law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryIf mole fraction of solute is (0.05), what is the relative lowering of vapour pressure for a solution with non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIn which case will relative lowering of vapour pressure be greater?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryIf vapour pressure decreases after adding a non-volatile solute to a solution, what is the most correct reason?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryHow is the vapour pressure of pure solvent compared with the solution when the solute is non-volatile?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhat happens to boiling point when vapour pressure of a solution decreases?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Easy