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Vapour Pressure

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

ChemistryIf the mole fraction of the solvent is 0.60, what is the mole fraction of the non-volatile solute in a binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryIn a Raoult’s law graph, how does partial pressure vary with mole fraction for an ideal binary solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryWhat is considered the reason for negative deviation in a mixture of acetone and chloroform?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11Medium ChemistryWhy can a mixture of benzene and toluene show nearly ideal behaviour?Class 12Chapter 01: Solutions4: Vapour PressureLevel 10Easy ChemistryWhich type of mixture can form a maximum-boiling azeotrope?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12Medium ChemistryWhich type of mixture can form a minimum-boiling azeotrope?Class 12Chapter 01: Solutions4: Vapour PressureLevel 12Medium ChemistryIn a solution showing negative deviation, which statement about heat of mixing is generally correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11Medium ChemistryIn a solution showing positive deviation, which statement about volume change on mixing can generally be true?Class 12Chapter 01: Solutions4: Vapour PressureLevel 11Medium ChemistryThe vapour pressure of a pure solvent is 72 kPa and that of its solution is 54 kPa. What is the mole fraction of the non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Medium ChemistryIf the mole fraction of a non-volatile solute is increased, what happens to the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIn an ideal solution, the partial pressure of component A is 24 kPa and the total pressure is 60 kPa. What is the mole fraction of A in the vapour phase?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryWhy is the vapour phase richer in the more volatile component in a volatile liquid mixture?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryWhy is equilibrium vapour pressure considered independent of the amount of liquid if some liquid remains in the vessel?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Easy ChemistryWhat is the main reason for the increase in vapour pressure of a pure liquid when temperature increases?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryIn which situation can the vapour pressure of a solution equal that of the pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Easy ChemistryWhich statement correctly expresses the idea of Raoult’s law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy 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 ChemistryA liquid has a higher vapour pressure than another liquid at the same temperature. Which statement about the first liquid is most appropriate?Class 12Chapter 01: Solutions4: Vapour PressureLevel 6Easy ChemistryWhen a non-volatile solute is added to a solvent, why does the solvent vapour pressure decrease at molecular level?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Easy ChemistryA solution has a mole fraction of 0.15 for a non-volatile solute. The vapour pressure of the pure solvent is 80 kPa. What is the lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8Medium