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5 Colligative Properties

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

ChemistryIf the effective number of solute particles in a solution increases, what happens to the lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhy must temperature be expressed in kelvin in the osmotic-pressure equation π = iCRT?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the concentration of a dilute solution remains constant and its temperature is increased, what happens to its osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf two solutions are separated by a semipermeable membrane and have equal osmotic pressure at the same temperature, what will happen?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf a cell is placed in a hypertonic solution, in which direction will the net movement of water occur?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhy is the osmotic-pressure method particularly useful for determining the molar mass of large molecules?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich solution will show the greatest elevation in boiling point at the same molality, assuming complete dissociation and comparable solvent conditions?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the observed elevation in boiling point, ΔT_b, is less than the value expected for a non-electrolyte, which process is most likely responsible?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the observed depression in freezing point is greater than the value expected for a non-electrolyte because of ionisation, what is the van’t Hoff factor, i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the freezing point of a pure solvent is 0 °C and that of its solution is −0.72 °C, what is the depression in freezing point, ΔT_f?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf Kf = 2.0 K kg mol⁻¹ and ΔTf = 0.8 K for a non-electrolyte solution, what is its molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf 0.5 mol of solute dissolves in 250 g of solvent, what is the molality of the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich of the following is a colligative property of a solution that depends mainly on the number of solute particles?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryFor a dilute solution containing a non-volatile solute, if the mole fraction of the solute is \(0.12\), what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf a solution contains 0.2 mol of solute and 0.8 mol of solvent, what is the mole fraction of the solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich of the following is not a colligative property of a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf i = 2.5, how will the observed colligative property compare with that of a normal non-electrolyte at the same concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIn which situation can the apparent molar mass of a solute be greater than the actual value?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf a solution has higher osmotic pressure than another solution at the same temperature, how will the first solution be?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryAt the same temperature, osmotic pressures of two solutions are in the ratio \(1:4\). What will be the ratio of their molar concentrations?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Easy