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

ChemistryIf the liquid-phase mole fraction of component A is 0.30 and its pure vapour pressure is 200 kPa, what is its partial pressure in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryIn which situation will the equilibrium vapour pressure of a liquid be properly defined?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7EasyChemistryWhat is the most important difference between vapour pressure and rate of evaporation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10MediumChemistryIf the vapour pressure of a liquid is less than external pressure, what can be said about boiling at that temperature?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7EasyChemistryWhich option is a correct unit of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf two identical solutions differ only in temperature, how will the vapour pressure of the solution at higher temperature compare?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryA liquid has very low vapour pressure. Which statement about its normal boiling point is more reasonable?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7EasyChemistryFor a solution containing a non-volatile solute, what relation between relative lowering of vapour pressure and solute mole fraction follows from Raoult’s law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIn an ideal solution, pure vapour pressure of A is greater than that of B. Their liquid-phase mole fractions are equal. Which component will have the higher proportion in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10MediumChemistryWhy is it difficult to directly measure vapour pressure of a liquid in an open vessel?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryWhy does adding a non-volatile solute increase the boiling point of a solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryWhy does the boiling point of a liquid decrease when the external pressure is reduced?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryThe vapour pressure of a solution is 8% lower than that of the pure solvent. Assuming a non-volatile solute, what is the mole fraction of the solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7EasyChemistryIf solute particles associate with each other, what happens to lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11MediumChemistryWhy can lowering of vapour pressure due to an electrolyte be greater than the simple expected value?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11MediumChemistryWhat is the main basis for calling relative lowering of vapour pressure a colligative property?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryA solution has solvent mole fraction 0.60 and pure solvent vapour pressure 120 kPa. Assuming a non-volatile solute, what is the solution vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryIf the mole fraction of the solvent is 0.60, what is the mole fraction of the non-volatile solute in a binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryIn a Raoult’s law graph, how does partial pressure vary with mole fraction for an ideal binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryWhat is considered the reason for negative deviation in a mixture of acetone and chloroform?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11Medium

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