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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।

ChemistryWhich colligative property is generally most convenient for determining the molar mass of large molecules?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhat is one of the most common mistakes in molar mass determination using colligative properties?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf CaCl₂ completely dissociates into ions, what is the ideal value of the van’t Hoff factor (i)?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf the observed molar mass of a solute is twice its true molar mass, what is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryIf the observed molar mass of a solute is half its true molar mass, what is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryIn a very dilute solution with a very small solute mole fraction, why can molar mass still be determined?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryIn which method is it most important to express the mass of the solvent in kilograms?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIn which method is it most directly necessary to express the solution volume in litres?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf the boiling-point elevation is 0.104 K and Kb is 0.52 K kg mol⁻¹, what is the molality of a non-dissociated solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16EasyChemistryWhy is a non-volatile solute used in molar mass determination by vapour-pressure methods?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf the true molar mass is 60 g mol⁻¹ and the van’t Hoff factor is i = 2, what is the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryWhy can an abnormal molar mass be obtained for a solute in solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryAfter finding molarity in the osmotic-pressure method, how are the moles of solute calculated?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16MediumChemistryIf a 0.2 m solution is prepared using 0.5 kg of solvent, how many moles of solute are present?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16EasyChemistryIn molar-mass determination by boiling-point elevation, which quantity is usually calculated first?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryIf ΔTᶠ = 0.372 K and Kᶠ = 1.86 K kg mol⁻¹, what is the molality of a non-dissociated solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16EasyChemistryWhich colligative property is most suitable for determining the molar mass of high-molar-mass solutes such as proteins and polymers?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryWhich method is more convenient for determining the molar mass of large biomolecules?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhich relation is useful for determining molar mass by the osmotic-pressure method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryWhich constant is used in the method of freezing-point depression?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16Easy