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Class 12 · Chemistry · Medium
→Why is heat change on forming an ideal solution considered nearly zero?
Class 12 · Chemistry · Easy
→In 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 12 · Chemistry · Easy
→A non-volatile solute that lowers vapour pressure effectively reduces the number of solvent molecules at which place?
Class 12 · Chemistry · Easy
→Which statement shows that vapour pressure is an equilibrium property?
Class 12 · Chemistry · Medium
→At 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 12 · Chemistry · Medium
→In 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 12 · Chemistry · Medium
→In which situation is direct use of Raoult's law safest?
Class 12 · Chemistry · Medium
→What should be the first precaution in a numerical question on vapour pressure?
Class 12 · Chemistry · Medium
→If a solute dissociates in solution to produce more particles, what is the effect on lowering of vapour pressure?
Class 12 · Chemistry · Medium
→If a solute associates in the liquid to form larger particles, what happens to lowering of vapour pressure for the same mass?
Class 12 · Chemistry · Medium
→By measuring lowering of vapour pressure, information about which solute property can be obtained?
Class 12 · Chemistry · Easy
→If a new strong attraction forms between unlike molecules on mixing, what is the likely effect on vapour pressure?
Class 12 · Chemistry · Medium
→Which pair is more likely to form an ideal solution?
Class 12 · Chemistry · Medium
→What useful indication can vapour-pressure measurement of a solution provide?
Class 12 · Chemistry · Easy
→Why is intermolecular attraction important in deviation from Raoult's law?
Class 12 · Chemistry · Easy
→When the vapour pressure of a solution is higher than the ideal value, what type of deviation is shown?
Class 12 · Chemistry · Easy
→When the vapour pressure of a solution is lower than the ideal value, what type of deviation is shown?
Class 12 · Chemistry · Easy
→If the mole fraction of solvent decreases, what happens to its vapour pressure in an ideal solution?
Class 12 · Chemistry · Medium
→If the mole fraction of the solvent in a solution is 0.8 and the vapour pressure of the pure solvent is 50 units, what will be the solvent’s partial vapour pressure in an ideal solution?
Class 12 · Chemistry · Easy
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