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

ChemistryWhy does association of a solute decrease the observed depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhat 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 14EasyChemistryTwo solutions of equal volume have concentrations 0.1 mol L⁻¹ and 0.2 mol L⁻¹. At the same temperature, which solution has the higher osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf V and T are constant in the equation πV = nRT, osmotic pressure is proportional to which quantity?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryWhy is the osmotic-pressure method more suitable for determining the molar mass of large molecules?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryIf the mole fraction of a non-volatile solute is increased in a solution, what happens to the lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryIf the mole fraction of the solvent is 0.9 and the vapour pressure of the pure solvent is 100, what will be the vapour pressure of the solvent in the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryAccording to Raoult's law for a non-volatile solute, the partial vapour pressure of the solvent is proportional to what?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhich 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 14EasyChemistryThe 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 14EasyChemistryThe 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 14EasyChemistryA solution has i = 1. In this simple context, what can be inferred about the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf i = 0.5, what type of behaviour does it indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryA 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 14MediumChemistryIf a solute has i = 2, how will ΔT_f = iK_fm compare with the non-dissociated case?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf 0.1 mol of a non-dissociating solute is dissolved in 1 kg of solvent, what is the molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryA solution has a higher osmotic pressure than another solution. What is it called relative to the other solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf two solutions are isotonic, what will be the net flow of solvent across a semipermeable membrane?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryWhy is the freezing point of a solution lower than that of pure water?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryFor 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

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