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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।

ChemistryWhy does the boiling point of a solution become higher than that of the pure solvent when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the effective number of solute particles in a solution increases, what happens to the lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the concentration of a dilute solution remains constant and its temperature is increased, what happens to its osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhy is the osmotic-pressure method particularly useful for determining the molar mass of large molecules?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the boiling point of a pure solvent is \(100^{\circ}C\) and that of its solution is \(100.26^{\circ}C\), what is the elevation in boiling point, \(\Delta T_b\)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the freezing point of a pure solvent is 0 °C and that of its solution is −0.72 °C, what is the depression in freezing point, ΔT_f?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf Kf = 2.0 K kg mol⁻¹ and ΔTf = 0.8 K for a non-electrolyte solution, what is its molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf \(K_b=0.60\ \mathrm{K\,kg\,mol^{-1}}\) and the elevation in boiling point is \(\Delta T_b=1.20\ \mathrm{K}\), what is the molality of a non-electrolyte solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich of the following is a colligative property of a solution that depends mainly on the number of solute particles?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryFor a dilute solution containing a non-volatile solute, if the mole fraction of the solute is \(0.12\), what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich of the following is not a colligative property of a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the value of \(K_f\) is the same in all cases, in which option will the depression in freezing point be greatest?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the van’t Hoff factor is i = 1, which statement about solute behaviour is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIn which situation can the apparent molar mass of a solute be greater than the actual value?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf a solution has higher osmotic pressure than another solution at the same temperature, how will the first solution be?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryAt the same temperature, osmotic pressures of two solutions are in the ratio \(1:4\). What will be the ratio of their molar concentrations?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf \(C=0.05\), \(R=0.082\), and \(T=300\), what will be the osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf \(\pi=4.92\), \(R=0.082\), and \(T=300\), what is the value of \(C\)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhat is the same in isotonic solutions?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf \(i<1\) is found for a solute, which phenomenon is most likely?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium

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