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Osmotic Pressure

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryThe osmotic pressure of a polymer solution is very small. Which method is most suitable for determining its molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 15Medium ChemistryWhich colligative property is most suitable for determining the molar mass of high-molar-mass solutes such as proteins in dilute solutions?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 15Medium ChemistryA 0.1 M solute has a van’t Hoff factor i = 4. At the same temperature, how will its osmotic pressure compare with that of a 0.4 M non-dissociating solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Hard ChemistryA solution contains 0.010 mol of solute in 1.00 L of solution. If its van’t Hoff factor is i = 2.0, what effective concentration should be used to calculate its osmotic pressure at 300 K?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryA cell placed in a hypotonic solution may swell. What is the correct colligative reason?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIf a blood cell is placed in a hypertonic solution, why will water move outward?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryThe osmotic pressure of a solution becomes double at the same temperature. If i remains unchanged, what change must have occurred in concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhy is the osmotic-pressure method more useful than boiling-point elevation for finding the molar mass of a 0.01 M protein solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Hard ChemistryWhy is reverse osmosis useful for obtaining drinking water from seawater?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIf two solutions are isotonic, which statement is definitely true for them at the same temperature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryWhich colligative property is not directly based on vapour-pressure measurement but requires a semipermeable membrane?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryThe minimum pressure required to stop osmosis in a solution is 5 atm. What pressure is needed to carry out reverse osmosis?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIf 0.1 M glucose and 0.1 M sodium sulfate solutions are at the same temperature, which will ideally have the higher osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryThe osmotic pressure of a solution is π at 300 K. If the concentration is kept constant and the temperature is raised to 600 K, what will be the ideal osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryWhy is a very dilute solution preferred for determining molar mass using osmotic pressure?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 14Medium ChemistryThe experimental molar mass of a solute determined from osmotic pressure is greater than its actual molar mass. What behaviour does this mainly indicate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryThe normal molar mass of a solute is 120 g mol⁻¹, while its observed molar mass from the osmotic-pressure method is 60 g mol⁻¹. What is the van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryWhy does solvent flow opposite to the normal direction during reverse osmosis?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryWhich of the following statements about the osmotic pressure of a solution is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium ChemistryWhich of the following properties depends on the number of solute particles present in a solution rather than on the chemical nature of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Easy