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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।

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 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 15Medium ChemistryIf the effective number of solute particles in a solution increases, what happens to the lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryWhy must temperature be expressed in kelvin in the osmotic-pressure equation π = iCRT?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf 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 15Easy ChemistryIf two solutions are separated by a semipermeable membrane and have equal osmotic pressure at the same temperature, what will happen?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf a cell is placed in a hypertonic solution, in which direction will the net movement of water occur?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryWhy is the osmotic-pressure method particularly useful for determining the molar mass of large molecules?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryWhich solution will show the greatest elevation in boiling point at the same molality, assuming complete dissociation and comparable solvent conditions?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf the observed elevation in boiling point, ΔT_b, is less than the value expected for a non-electrolyte, which process is most likely responsible?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf the observed depression in freezing point is greater than the value expected for a non-electrolyte because of ionisation, what is the van’t Hoff factor, i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryIf 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 15Easy ChemistryIf 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 15Easy ChemistryIf 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 15Easy ChemistryIf \(K_b=0.60\ \mathrm{K\,kg\,mol^{-1}}\) 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 15Easy