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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।

ChemistryWhile determining molar mass from osmotic pressure, which precaution is most important?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhy does ice appear to melt faster when salt is sprinkled on it?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhy is the freezing point of seawater lower than that of pure water?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryTwo solutions have equal osmotic pressure at the same temperature. If their solutes are different, what is the best conclusion?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the freezing-point depression of a solution is less than the value expected for a non-associated solute, which reason is most probable?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the boiling-point elevation of a solution is greater than the value expected for a non-electrolyte, what may be the reason?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich pair contains only colligative properties?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich property of a solute is not important for determining colligative properties?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf 2 moles of particles are effectively present in a solution while 1 mole was expected for the ideal non-dissociated state, what is the van't Hoff factor i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryFor reverse osmosis, the applied external pressure must be greater than what?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIn reverse osmosis, in which direction does the solvent move?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich solution is likely to have the highest osmotic pressure if temperature is the same?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIn a solution, the actual number of solute particles is twice the expected number. What is its van't Hoff factor?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf an electrolyte of type AB₂ dissociates completely, what will be its ideal van't Hoff factor?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhy is the freezing point of a solution lower than that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhy is the boiling point of a solution higher than that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the osmotic pressure of a solution is measured at 27 °C, what temperature value should be used in the formula?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf equal masses of different solutes are dissolved in equal masses of water, which solute will cause the greater freezing-point depression?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhat is the correct meaning of the constant Kf used in freezing-point depression?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryThe constant Kb used in boiling-point elevation depends on what?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Easy