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Chapter 01 Solutions

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

ChemistryIn a dilute solution containing a non-volatile solute, the lowering of vapour pressure is approximately proportional to what?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 5EasyChemistryThe pure vapour pressure of a solvent is 120 kPa. The vapour pressure of the solution is 90 kPa. What is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 7EasyChemistryIf the actual vapour pressure of a solution is less than the pressure predicted by Raoult's law, what type of deviation is it?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhich statement correctly identifies an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the mole fraction of a non-volatile solute is 0.20 and the vapour pressure of pure solvent is 100 kPa, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 7EasyChemistryIf the vapour pressure of pure solvent is 80 kPa and the mole fraction of solvent is 0.75, what is the partial vapour pressure of solvent in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6EasyChemistryFor an ideal solution of two volatile liquids, how is total vapour pressure obtained?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIn which situation is positive deviation from Raoult's law more likely?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryIn which situation is negative deviation from Raoult's law observed?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5EasyChemistryAccording to Raoult's law, the partial vapour pressure of the solvent in an ideal solution is proportional to what?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhy does the vapour pressure of a solution decrease when a non-volatile solute is added to a liquid?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhen equilibrium is established between a liquid and its vapour in a closed vessel, vapour pressure mainly depends on which factor?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4MediumChemistryIn numerical questions related to vapour pressure, what should be checked first?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4MediumChemistryWhy does the boiling point of a solution increase when a non-volatile solute is added?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5MediumChemistryIf a solution contains two volatile liquids and one has a very high pure vapour pressure, how will it affect the total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5MediumChemistryWhy is the vapour pressure of pure solvent needed while measuring lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryA liquid and its vapour are at equilibrium in a closed vessel. If temperature is suddenly increased, what happens to the rate of evaporation before a new equilibrium is reached?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4MediumChemistryIn a solution containing a non-volatile solute, the mole fraction of solvent is 0.85. If the vapour pressure of the pure solvent is 200 kilopascal, what is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf the actual vapour pressure of a solution is higher than the value predicted by Raoult’s law, what may be the reason?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5MediumChemistryIf the actual vapour pressure of a solution is lower than the pressure predicted by Raoult’s law, what type of deviation is it?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3Easy

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