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Class 12 · Chemistry · Medium
→If the actual vapour pressure of a solution is lower than the ideal value and heat is released on mixing, what deviation is shown?
Class 12 · Chemistry · Medium
→If the vapour pressure of a real solution is much higher than the value predicted by Raoult’s law, what molecular behaviour is likely?
Class 12 · Chemistry · Easy
→What is the deeper reason for decrease in vapour pressure when a non-volatile solute is added to a liquid?
Class 12 · Chemistry · Medium
→In an ideal solution, the partial pressures of components A and B are 30 kPa and 70 kPa, respectively. What is the mole fraction of B in the vapour phase?
Class 12 · Chemistry · Easy
→In a solution, the relative lowering of vapour pressure is 0.15. Assuming a non-volatile solute, what is the mole fraction of the solvent?
Class 12 · Chemistry · Easy
→In an ideal solution, the vapour pressure of pure solvent is 80 kPa and the mole fraction of solvent is 0.75. What is the vapour pressure of the solution?
Class 12 · Chemistry · Easy
→Which option gives the most exam-useful correct statement related to vapour pressure?
Class 12 · Chemistry · Easy
→If solvent mole fraction in a solution is 0.76, what is the relative lowering of vapour pressure?
Class 12 · Chemistry · Easy
→In a solution, pure solvent vapour pressure is 96 kPa and lowering of vapour pressure is 24 kPa. What is the relative lowering?
Class 12 · Chemistry · Easy
→If in an ideal solution the partial pressure of A is 55 kPa and that of B is 45 kPa, what is total pressure?
Class 12 · Chemistry · Easy
→Which statement shows that vapour pressure lowering is connected with colligative properties?
Class 12 · Chemistry · Easy
→What is the pure vapour pressure of a more volatile component like?
Class 12 · Chemistry · Easy
→Why does increasing the surface area of a liquid not change its equilibrium vapour pressure?
Class 12 · Chemistry · Medium
→In an ideal solution, liquid mole fraction of A is 0.60. Pure pressure of A is 50 kPa and of B is 100 kPa. What is the total pressure?
Class 12 · Chemistry · Easy
→The vapour pressure of a solution is 20 percent lower than that of pure solvent. Assuming non-volatile solute, what is the mole fraction of solvent?
Class 12 · Chemistry · Easy
→Why does relative lowering of vapour pressure have no unit?
Class 12 · Chemistry · Easy
→If unlike molecular attraction becomes very strong while mixing two liquids, what happens to vapour pressure?
Class 12 · Chemistry · Easy
→When like and unlike molecular attractions in a mixture of two liquids are nearly equal, what type of solution is formed?
Class 12 · Chemistry · Easy
→In a binary solution, total vapour pressure is 90 kPa and partial pressure of component A is 36 kPa. What is mole fraction of A in vapour?
Class 12 · Chemistry · Easy
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