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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 statement is generally true for a liquid with higher vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryFor formation of an ideal solution, what are the approximate heat and volume changes on mixing?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryWhy does the boiling point of water decrease on mountains?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryHow is vapour pressure related to boiling point?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryA solution has solvent mole fraction 0.90. If pure solvent vapour pressure is 50 kPa, what is the solution vapour pressure assuming the solute is non-volatile?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIn an ideal solution, pure vapour pressure of component A is 200 kPa and that of component B is 100 kPa. If the mole fraction of A is 0.40, what is the total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Medium ChemistryThe mole fraction of a component in the vapour phase is related to what?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIf the mole fraction of the more volatile component increases in an ideal binary solution, what happens to total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryFor a binary ideal solution of volatile liquids, what is the nature of the graph between total vapour pressure and composition?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Medium ChemistryWhat happens to equilibrium vapour pressure if the surface area of a liquid is increased in a closed vessel?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium ChemistryWhy does the equilibrium vapour pressure of a liquid generally increase when temperature is increased?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryWhy does a liquid like acetone have higher vapour pressure than water?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryThe pure vapour pressure of a solvent is 120 kPa. The vapour pressure of the solution is 90 kPa. What is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 7Easy ChemistryIf the actual vapour pressure of a solution is less than the pressure predicted by Raoult's law, what type of deviation is it?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryWhich statement correctly identifies an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIf the vapour pressure of pure solvent is 80 kPa and the mole fraction of solvent is 0.75, what is the partial vapour pressure of solvent in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryFor an ideal solution of two volatile liquids, how is total vapour pressure obtained?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIn which situation is positive deviation from Raoult's law more likely?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryIn which situation is negative deviation from Raoult's law observed?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryAccording to Raoult's law, the partial vapour pressure of the solvent in an ideal solution is proportional to what?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy