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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।

ChemistryUnder which condition can plant roots absorb water from the soil easily?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryIf the ideal ΔT_f for a 0.1 m solution is 0.186 K, but the actual ΔT_f is 0.279 K, what is the van't Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhat is the correct relation between lowering of vapour pressure and elevation of boiling point when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryWhich option gives the correct concentration unit for calculating the stated colligative property?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryIf NaCl is 60% dissociated in a solution, what is the value of the van't Hoff factor i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhy is osmotic pressure considered a colligative property?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryWhen 10 g of a non-electrolyte solute is dissolved in 500 g of water, the depression in freezing point is ΔT_f = 0.186 K. Taking K_f = 1.86 K kg mol⁻¹, what is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 13MediumChemistryWhich of the following properties depends on the number of solute particles present in a solution rather than on their chemical nature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryIn a solution, association of solute molecules makes the van’t Hoff factor i less than 1. What will be the effect on ΔTf?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryIn which of the following solutions will the molar mass observed from colligative properties be greater than the actual molar mass because of association of solute molecules?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13HardChemistryIf the mole fraction of solute is doubled and the solution remains dilute, what happens to the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhy should a solution be very dilute when determining molar mass by the osmotic pressure method?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryFor an associated solute, the van’t Hoff factor is i = 0.75. How will the colligative effect compare with that of a normal non-dissociated solute at the same concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryA solution has a freezing-point depression of 0.93 K. If Kf = 1.86 K kg mol⁻¹ and the solute is non-dissociated, what is the molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryWhich solution will have the highest osmotic pressure at the same temperature if all solutions are 0.1 M and dissociation is complete?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryIf a 0.5 m non-dissociated solute produces a boiling-point elevation of 0.26 K, what is the value of Kb?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhen 5 g of a solute is dissolved in 250 g of solvent, the molality is 0.2 m. What is the molar mass of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhy does the freezing point of a solution decrease when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryIf a 0.1 m BaCl₂ solution has 80% dissociation, what is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhich of the following statements about osmotic pressure is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium

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