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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।

ChemistryWhat type of relationship exists between the lowering of vapour pressure and the mole fraction of a non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIf the vapour pressure of the pure solvent is 80 units and that of the solution is 72 units, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryWhy does actual vapour pressure become lower in negative deviation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIn positive deviation, how is the new attraction between components?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryOn what basis is an ideal solution identified using Raoult's law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium ChemistryWhy does a liquid with higher vapour pressure generally have a lower normal boiling point?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryAt the same temperature, liquid A has higher vapour pressure than liquid B. Which statement is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2Easy ChemistryIn which condition will the vapour pressure of a solution be lowest compared with pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIf the solute is non-volatile in a solution, from what does the total vapour pressure mainly come?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2Easy ChemistryIn an ideal binary solution, the partial vapour pressures of components A and B are 40 and 60 units, respectively. What is the total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIn a solution of two volatile liquids, how is the total vapour pressure calculated?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIf the mole fraction of a volatile component increases at constant temperature, what happens to its partial vapour pressure in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIn an ideal solution of two volatile liquids, on which quantities does the partial vapour pressure of a component depend?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryThe actual vapour pressure of a solution is lower than Raoult's-law value. What may be the most suitable reason?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium ChemistryThe vapour pressure of a solution is higher than the value expected from Raoult's law. What type of deviation does this indicate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIf the mole fraction of the solute is 0.2, what is the relative lowering of vapour pressure for a solution with a non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryFor a solution containing a non-volatile solute, the relative lowering of vapour pressure is simply related to which quantity?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIf the vapour pressure of a solution is 80% of the vapour pressure of the pure solvent, what is the mole fraction of the solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIf the mole fraction of the solvent is 0.7 and the vapour pressure of the pure solvent is 100 units, what is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryAccording to Raoult's law, why is the vapour pressure of a solution lower than that of the pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2Easy