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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।

ChemistryWhy is the osmotic pressure of a NaCl solution higher than that of a glucose solution of the same concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 8EasyChemistryThe molar mass obtained by the boiling-point elevation method is higher than the true molar mass. What is the most common reason?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16MediumChemistryWhich pair will produce nearly the same depression in freezing point at the same molality if both salts are completely dissociated?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryFor a solution, i = 2.5 and molality is 0.2 m. If Kf = 1.86 K kg mol⁻¹, what is ΔTf?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA solution contains 5 g of solute in 100 g of solvent. If the same amount of solute is dissolved in 200 g of solvent, what happens to the depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA solution has i = 1. Which situation is most suitable for it?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryFor which solution is the van’t Hoff factor i most likely to be less than 1?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich relation is correct for a dilute solution containing a non-volatile solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA nonelectrolyte solution has an osmotic pressure of 2.46 atm at a concentration of 0.1 M. What will its osmotic pressure be at 0.2 M and the same temperature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhat is the minimum external pressure required to stop the entry of solvent through a semipermeable membrane into a solution called?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich colligative property is most suitable for determining the molar mass of a high-molar-mass solute such as a protein in a very dilute solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich statement correctly describes the characteristic of colligative properties?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich colligative property is most suitable for determining the molar mass of high-molar-mass proteins?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistrySolutions A and B contain the same amount of solute. Solution A contains 500 g of solvent, whereas solution B contains 1000 g of solvent. Which solution has the greater depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf 25% of the molecules of a solute associate to form trimers, what is its van’t Hoff factor?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich of the following colligative properties decreases as the number of solute particles in a solution increases?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the vapour pressure of a solution is lower than that of the pure solvent, what is the main reason?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryTwo solutions are separated by a semipermeable membrane. The left side contains 0.2 M glucose, and the right side contains 0.1 M completely dissociated NaCl. What is the net flow of water?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the freezing point of a solution is 271.9 K and that of the pure solvent is 273.0 K, what is the depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIn a solution, the observed molar mass of a solute is half of its normal value. What is its van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Medium