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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 vapour pressure of a pure solvent is 80 and the vapour pressure of the solvent in a solution is 72, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryWhat is the sum of the mole fraction of the solute and the mole fraction of the solvent in a binary solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhat is the common basis of vapour-pressure lowering, freezing-point depression, boiling-point elevation, and osmotic pressure in a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhich of the following properties depends only on the number of solute particles present in a solution, not on their chemical nature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryThe freezing point of a pure solvent is 273 K, while the freezing point of its solution is 271.5 K. What is the depression in the freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryThe boiling-point elevation of a solution is 0.6 and the boiling point of the pure solvent is 373. What is the boiling point of the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryA solution has i = 1. In this simple context, what can be inferred about the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIf i = 0.5, what type of behaviour does it indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryA solution has i = 3, K_b = 0.5, and m = 0.2. What will be the elevation in boiling point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIf a solute has i = 2, how will ΔT_f = iK_fm compare with the non-dissociated case?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhy is molality often preferred over molarity in colligative property calculations?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryA solution has a higher osmotic pressure than another solution. What is it called relative to the other solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhy is the freezing point of a solution lower than that of pure water?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryFor equal molality and the same solvent, which solution will have the highest boiling point if dissociation is complete?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIf CaCl₂ dissociates completely, what is its ideal van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIn a solution, ΔTb = 0.78 K and Kb = 0.52 K kg mol⁻¹. What is the molality of the non-dissociating solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryFor a solution, ΔTf = 3.72 K and Kf = 1.86 K kg mol⁻¹. What is the molality of the non-dissociating solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIn which case can the observed molar mass be greater than the actual molar mass?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIn which case can the observed molar mass be less than the actual molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryIf the molar concentration of a solution is doubled while the temperature remains constant, what happens to its osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy