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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 mole fraction of the solute is 0.30 and the vapour pressure of the pure solvent is 70 kPa, what is the vapour pressure of the solution, assuming the solute is non-volatile?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryWhat is relative lowering of vapour pressure equal to when the solute is non-volatile?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhich statement is not correct for an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhy can total vapour pressure be higher than the ideal value in a solution showing positive deviation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the partial pressures of components A and B are 20 kPa and 80 kPa, respectively, what is the mole fraction of A in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryIn an ideal solution, pure vapour pressure of component A is 180 kPa and its liquid mole fraction is 0.20. What is the partial pressure of component A?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryWhy does equilibrium vapour pressure not change when the amount of liquid is halved if some liquid still remains?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryUnder which condition is the equilibrium vapour pressure of a liquid properly established?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryA solution has solvent mole fraction 0.85 and pure solvent vapour pressure 40 kPa. What is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryWhy does the escaping tendency of molecules decrease in a solution showing negative deviation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the vapour pressure of a real solution is greater than the value predicted by Raoult's law, what type of deviation is it?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIn an ideal solution of two volatile liquids, pure vapour pressure of component A is higher than that of component B. At equal mole fractions, which will be richer in vapour?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryThe vapour pressure of pure solvent is 64 kPa and that of the solution is 48 kPa. What is the mole fraction of the solute if the solute is non-volatile?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryA solution has lower vapour pressure than the pure solvent. Which conclusion is most appropriate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIn an ideal solution, what happens to the solvent’s partial vapour pressure when its mole fraction decreases?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7EasyChemistryWhich option gives the most useful correct statement related to vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryIn an ideal binary solution, the total vapour pressure is 100 kPa and the partial pressure of A is 35 kPa. What is the partial pressure of B?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryIf the surface area of a liquid is increased, what will be the final effect on equilibrium vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryIf intermolecular attraction in a liquid is strong, how will its vapour pressure generally be affected?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryA solution has a solute mole fraction of 0.10, and the vapour pressure of the pure solvent is 50 kPa. Assuming the solute is non-volatile, what is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy