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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।

ChemistryA solution contains 0.01 mol solute in 1 L and its osmotic pressure is measured at 300 K. If the solute completely dissociates into 2 ions, how will its osmotic pressure compare with that of an ideal non-dissociated solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryIf the van’t Hoff factor i of a solution is greater than 1, what behaviour does it indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Easy ChemistryA solute is found to have a van’t Hoff factor i = 0.5. Which conclusion is most appropriate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Easy ChemistryWhat is the basic principle of reverse osmosis used to obtain pure water from seawater?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryIf the boiling point elevation of a solution is greater than the expected value, what could be a possible reason?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryWhich statement correctly identifies colligative properties?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Easy ChemistryAmong the following solutions of equal molality in the same solvent, which will have the lowest freezing point if dissociation is complete?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryIn a solution, the van’t Hoff factor of KCl is 1.8. If ideal complete dissociation gives a value of 2, what does this value indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryWhich of the following statements correctly describes a colligative property?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Easy ChemistryA solution contains 0.1 mol of NaCl, which dissociates completely into ions. At the same molality, how will the boiling-point elevation of the NaCl solution compare with that of a urea solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Hard ChemistryIn a numerical problem on colligative properties, what should be done first to obtain the correct answer?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf two solutions have the same molality but the solute ionises in one of them, which solution will show the greater colligative effect?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf two non-electrolyte solutions have the same molality and the same solvent, how will their ΔT_f values compare?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf a solute completely dissociates into three ions in solution, what is the ideal van’t Hoff factor, i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryWhich statement gives the correct understanding of colligative properties?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf 0.2 mol of a non-electrolyte solute is dissolved in 400 g of solvent and K_b = 0.5 K kg mol⁻¹, what is the elevation in boiling point, ΔT_b?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Medium ChemistryIf 0.1 mol of a non-electrolyte solute is dissolved in 200 g of solvent and K_f = 1.8 K kg mol⁻¹, what is the depression in freezing point, ΔT_f?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Medium ChemistryFor a solution with van’t Hoff factor i = 0.5, cryoscopic constant K_f = 2 K kg mol⁻¹, and molality m = 1 mol kg⁻¹, what is the depression in freezing point, ΔT_f?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Medium ChemistryIf the molality of a non-electrolyte solution is 0.5 mol kg⁻¹ and the ebullioscopic constant is K_b = 0.52 K kg mol⁻¹, what is the elevation in boiling point, ΔT_b?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Medium ChemistryWhy is the freezing point of a solution lower than that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium