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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 temperature is increased, what is the basic reason for increase in equilibrium vapour pressure of a pure liquid?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryWhy does equilibrium vapour pressure not change when surface area of a liquid is increased?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7MediumChemistryWhat is the most important difference between vapour pressure and rate of evaporation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7MediumChemistryWhy is vapour phase richer in the more volatile component?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryWhat happens to total vapour pressure when mole fraction of the less volatile component is increased in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryIf the mole fraction of the more volatile component is increased in an ideal solution, in which direction will total vapour pressure change?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryIn an ideal solution, what is the relation between total vapour pressure and liquid composition?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7MediumChemistryIn an ideal solution, the mole fraction of component A in the vapour phase is 0.4 and the total pressure is 200 kPa. What is the partial pressure of A?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryIn an ideal binary solution, the pure vapour pressures of components A and B are 50 kPa and 150 kPa, respectively. If the mole fraction of A is 0.7, what is the total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7MediumChemistryWhy can vapour pressure of an acetone and chloroform mixture be lower than the ideal value?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryWhich pair may be considered a good example of a nearly ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryFor formation of an ideal solution, what should be the relation between attractions among like and unlike molecules?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryA liquid has very low vapour pressure. Which estimate about its normal boiling point is more correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryA liquid has very high vapour pressure. Which statement about its intermolecular forces and volatility is correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryWhat is the correct reason for the decrease in the boiling point of water at a high-altitude place?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryWhen the vapour pressure of a liquid becomes equal to the external pressure, which condition is reached?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryA solution has vapour pressure 18% lower than that of the pure solvent. What is the mole fraction of the solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryThe vapour pressure of a real solution is found below the ideal line. What type of molecular attraction does this indicate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryThe vapour pressure of a real solution is found above the ideal line. What type of molecular attraction does this indicate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryIf the liquid mole fraction of component A is 0.6 and its pure vapour pressure is 90 kPa, what is its partial pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy