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Chapter 01 Solutions

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

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 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 ChemistryWhich option gives a correct unit of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIf mole fraction of solute is doubled while the solution remains dilute, what happens to relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 6Easy 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 ChemistryWhy can lowering of vapour pressure be less than expected for an associating solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9Medium ChemistryWhy can lowering of vapour pressure be greater than expected in a solution of an electrolyte?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9Medium ChemistryIf two solutions have the same number of solute particles at the same temperature in the same solvent, how will the lowering of vapour pressure compare?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 7Medium ChemistryWhy is relative lowering of vapour pressure considered a colligative property?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 6Easy 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