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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।

ChemistryIn an ideal binary solution, both components A and B are volatile. How is the total vapour pressure calculated?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Easy ChemistryIf the total vapour pressure of a liquid mixture is lower than the ideal value, which conclusion is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryWhen the actual vapour pressure of a solution is higher than its ideal value, what type of molecular attraction is indicated?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryThe vapour pressure of a pure solvent is 100 kPa and that of its solution is 82 kPa. What is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryIn an ideal solution, the vapour pressure of the pure solvent is 90 kPa and the mole fraction of solvent is 0.70. What will be the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryWhich statement about vapour pressure and rate of evaporation is most correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Medium ChemistryIf total vapour pressure of a mixture is higher than the value predicted by Raoult's law, what molecular behaviour is likely?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryWhich option gives a correct unit of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIn a solution containing non-volatile solute, the solvent mole fraction is 0.88. Pure solvent vapour pressure is 75 kPa. What is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryA liquid has very low vapour pressure. What is a reasonable conclusion about intermolecular attraction in it?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryWhy is the vapour phase richer in the more volatile component?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIn an ideal solution, the partial pressure of component A is 30 kPa and that of component B is 70 kPa. What is the mole fraction of A in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Easy ChemistryWhich pair may show nearly ideal behaviour?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Medium ChemistryWhich pair can be considered a good example of negative deviation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Medium ChemistryWhich mixture is more likely to form a maximum boiling azeotrope?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Medium ChemistryWhich mixture is more likely to form a minimum boiling azeotrope?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Medium ChemistryWhat happens to the partial vapour pressure of a volatile component when its mole fraction in liquid phase decreases?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryIf some liquid remains in a closed vessel and temperature is constant, what happens to equilibrium vapour pressure when vessel volume is changed slightly?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Medium ChemistryWhy is a closed vessel necessary while measuring vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryWhich solution is expected to obey Raoult's law best?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Medium