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Mole Fraction

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 solvent decreases, what happens to its vapour pressure in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryIn which situation will the vapour pressure of a solution be closest to that of the pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryAccording to Raoult's law, on what does the partial vapour pressure of the solvent in an ideal solution directly depend?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryIn an ideal solution, the partial pressures of components A and B are 30 kPa and 70 kPa, respectively. What is the mole fraction of B in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11Medium ChemistryIf the vapour pressure of pure solvent is 120 kPa and the vapour pressure of the solution is 90 kPa, what is the mole fraction of the solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Easy ChemistryIn an ideal binary solution, the mole fraction of component A is 0.40 and the vapour pressure of pure component B is 120 kPa. What is the partial pressure of B?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryIf 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 5Easy ChemistryThe 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 5Easy ChemistryThe vapour pressure of a solution is 8% lower than that of the pure solvent. Assuming a non-volatile solute, what is the mole fraction of the solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Easy ChemistryIf the mole fraction of the solvent is 0.60, what is the mole fraction of the non-volatile solute in a binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryThe vapour pressure of a pure solvent is 72 kPa and that of its solution is 54 kPa. What is the mole fraction of the non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Medium ChemistryIn an ideal solution, the partial pressure of component A is 24 kPa and the total pressure is 60 kPa. What is the mole fraction of A in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryIn which situation can the vapour pressure of a solution equal that of the pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryWhich statement correctly expresses the idea of Raoult’s law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryThe vapour pressure of a solution is 12 percent lower than that of pure solvent. Assuming a non-volatile solute, what is the mole fraction of solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 7Easy 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 ChemistryA solution has solute mole fraction 0.05. Pure solvent vapour pressure is 200 kPa. Assuming a non-volatile solute, what is the lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 7Easy ChemistryThe mole fraction of a component in the vapour phase is related to what?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIn an ideal binary solution, the mole fraction of component A is 0.3. What will be the mole fraction of component B?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2Easy ChemistryA solution has vapour pressure 15 percent lower than the pure solvent. In a dilute solution, what is the approximate mole fraction of solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy