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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।

ChemistryA solution has solute mole fraction 0.12. The vapour pressure of pure solvent is 75 kPa. What is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIn an ideal solution, pure solvent vapour pressure is 100 kPa and solution vapour pressure is 85 kPa. What is the mole fraction of the non-volatile solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10Medium ChemistryWhat basic idea does Raoult's law express in the study of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryIn a volatile binary liquid solution, the vapour phase is generally richer in which component?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Easy ChemistryHow can boiling of a liquid at hill stations be explained using vapour pressure and external pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium ChemistryIf solvent–solute attraction in a solution is very strong, what is the most likely effect on vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Easy ChemistryIf solvent–solute attraction in a solution is very weak, what is the most likely effect on vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Easy ChemistryWhy is heat change on forming an ideal solution considered nearly zero?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium ChemistryIn an ideal solution containing a non-volatile solute, the mole fraction of the solute is 0.20. What is the relative lowering of the vapour pressure of the solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9Easy ChemistryA non-volatile solute that lowers vapour pressure effectively reduces the number of solvent molecules at which place?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryWhich statement shows that vapour pressure is an equilibrium property?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryAt constant temperature and fixed total amount of liquid, in an ideal solution, what happens to the total vapour pressure when the amount of the less volatile component is increased?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium ChemistryIn an ideal solution, if pure vapour pressure of component A is higher than that of component B, which component generally contributes more to vapour phase when mole fractions are equal?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium ChemistryIn which situation is direct use of Raoult's law safest?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium ChemistryWhat should be the first precaution in a numerical question on vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10Medium ChemistryIf a solute dissociates in solution to produce more particles, what is the effect on lowering of vapour pressure?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryIf a solute associates in the liquid to form larger particles, what happens to lowering of vapour pressure for the same mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryBy measuring lowering of vapour pressure, information about which solute property can be obtained?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 11Medium ChemistryIf a new strong attraction forms between unlike molecules on mixing, what is the likely effect on vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Easy ChemistryWhich pair is more likely to form an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Medium