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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।

ChemistryAccording to Raoult's law for a non-volatile solute, the partial vapour pressure of the solvent is proportional to what?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryWhich of the following properties depends only on the number of solute particles present in a solution, not on their chemical nature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryThe freezing point of a pure solvent is 273 K, while the freezing point of its solution is 271.5 K. What is the depression in the freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryThe boiling-point elevation of a solution is 0.6 and the boiling point of the pure solvent is 373. What is the boiling point of the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhy is molality often preferred over molarity in colligative property calculations?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryWhich of the following properties depends only on the number of solute particles present in a solution and not on the nature of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryWhich of the following properties does not depend on the number of solute particles present in a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIn freezing point depression, how is the freezing temperature of a solution compared with pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 3Easy ChemistryWhat is the direct meaning of elevation in boiling point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 3Easy ChemistryIf the freezing point of water is \(0^\circ C\) and \(\Delta T_f\) for a solution is \(2^\circ C\), what is the freezing point of the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10Easy ChemistryWhich property depends only on the number of solute particles and not on their nature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 5Easy ChemistryThe vapour pressure of a solution is 8% lower than that of the pure solvent. Assuming a non-volatile solute, what is the mole fraction of the solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 7Easy ChemistryIn an ideal solution, the pure vapour pressures of components A and B are 150 kPa and 50 kPa, respectively. If the liquid-phase mole fraction of A is 0.25, what is the total pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium ChemistryWhy does the vapour pressure of a solution decrease when a non-volatile solute is added to a liquid?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIf the vapour pressure of a pure solvent is 100 kPa and that of its solution is 90 kPa, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy ChemistryIf the mole fraction of the solvent decreases, what happens to its partial vapour pressure according to Raoult’s law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryWhat is the safest first step while solving vapour-pressure questions based on Raoult’s law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium ChemistryWhich option gives the correct relation between vapour pressure and boiling point?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryA solution has lower vapour pressure than pure solvent. What may this indicate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy ChemistryIf XA increases and XB decreases, what happens to PA and PB in an ideal binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium