Solutions questions
1397 published questions with worked solutions.
- Vapour pressure of pure 'A' is 70 mm of Hg at 25 ℃. It forms an ideal solution with 'B' in which mole fraction of 'A' is 0.8. If...
- The mole fraction of ethyl alcohol in its solutions with methyl alcohol is 0.80. The vapour pressure of pure ethyl alcohol is 40...
- Which of the following azeotropic solutions has the boiling point less than boiling point of the constituents A and B ?
- At 25 ℃, the total pressure of an ideal solution obtained by mixing 3 moles of A and 2 moles of B, is 184 torr. What is the...
- An aqueous solution of methanol in water has vapour pressure
- Two liquids X and Y form an ideal solution. The mixture has a vapour pressure of 400 mm at 300 K when mixed in the molar ratio of...
- A solution of acetone in ethanol
- One component of a solution follows Raoult's law over the entire range 0 x_1 1. The second component must follow Raoult's law in...
- The vapour pressure of two liquids X and Y are 80 and 60 torr respectively. The total vapour pressure of the ideal solution...
- A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 300 K. The vapour pressure of propyl alcohol is...
- A solution containing components A and B follows Raoult's law, when
- At 80 ℃, the vapour pressure of pure liquid 'A' is 520 mmHg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of...
- Relative lowering of vapour pressure of a dilute solution is 0.2. What is the mole fraction of the non-volatile solute?
- Which of the following will show a negative deviation from Raoult's law?
- In the mixture of A and B, the mole fraction of vapours A above the solution will be [p_A^ = 100 mm, p_B^ = 200 mm]
- In which case Raoult's law is not applicable?
- Which of the following liquid pairs shows a positive deviation from Raoult's law?
- If two substances A and B have p_A^ : p_B^ = 1 : 2 and have mole fraction in solution 1 : 2 then mole fraction of A in vapours is
- "Relative lowering in vapour pressure of solution containing non-volatile solute is directly proportional to mole fraction of...
- The vapour pressure of benzene at a certain temperature is 640 mm of Hg. A non-volatile, non-electrolyte solute weighing 2.175 g,...
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