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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।

ChemistryWhich change is most likely when solute association occurs in a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryWhich of the following equimolal solutions will have the highest freezing point, assuming ideal behaviour?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIn a dilute solution, the mole fraction of solute is 0.04. Assuming a non-volatile solute, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryAmong aqueous solutions of equal molality, assuming complete ionisation, which solute will produce the greatest depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIn purification of seawater by reverse osmosis, when will the applied external pressure be effective?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryAt the same temperature, what molarity of NaCl solution will be isotonic with a 0.2 M glucose solution, if NaCl dissociates completely?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhen 3 g of a non-dissociated solute is dissolved in 100 g of solvent, the boiling point rises by 0.156 K. If Kb = 0.52 K kg mol⁻¹, what is the molar mass of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryAmong aqueous solutions of equal molality, assuming complete ionisation, which solute solution will show the greatest depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf the true molar mass of a solute is 120 g mol⁻¹ and the observed molar mass from a colligative property is 80 g mol⁻¹, what is the value of (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhile calculating molar mass from colligative properties, if the solute dissociates into ions, what error occurs if (i) is not used?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhen abnormal molar mass is obtained, which correction is included in colligative property formulas?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the mole fraction of solute in a solution is very small, how will the relative lowering of vapour pressure be?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhat will happen if a blood cell is placed in a hypotonic solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhat happens when a blood cell is placed in a hypertonic solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhy is the value of i for a weak electrolyte lower than the ideal value for complete dissociation?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryFor a solution, the experimentally observed depression in freezing point is less than the ideally calculated value, and the van’t Hoff factor is i < 1. Which phenomenon does this indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich statement is correct about the colligative property related to Raoult’s law?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf Kf and molality are known, how is the depression in freezing point found for a non-dissociating solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryAssuming complete ionisation, which solute will have the highest van’t Hoff factor in aqueous solutions of equal molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA solution contains 0.5 mol of solute dissolved in 1 kg of solvent. What is its molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Easy