A binary solution of liquids A and B deviates positively from Raoult's law. Which of the following statements is NOT true for this solution?
The total vapour pressure of the solution is greater than the ideal vapour pressure.
The intermolecular forces between A-A and B-B are stronger than those between A-B.
The enthalpy of mixing () is positive.
The volume of mixing () is positive.
Related Questions
Henry's law constant for CO2 in water at 298 K is Pa. Calculate the molar solubility of CO2 in water at 298 K if the partial pressure of CO2 is Pa.
1.5 x 10^-3
3.3 x 10^-3
6.7 x 10^-4
1.2 x 10^-2
Solubility of a gas in liquid increases on:
Addition of a catalyst
Increasing the pressure
Decreasing the pressure
Increasing the temperature
A solution in which the solute is present in a very small amount is called a:
Concentrated solution
Dilute solution
Saturated solution
Supersaturated solution
A solution containing 20 g of NaCl in 200 g of water is considered:
Concentrated
Saturated
Supersaturated
Dilute
Which type of solution contains the maximum amount of solute that can be dissolved at a given temperature?
Unsaturated solution
Saturated solution
Supersaturated solution
Dilute solution
Which is correct representation of phase rule?
None of these
The Henry's law constant for gas A in a particular solvent is . If the partial pressure of A above the solution is doubled, what happens to the mole fraction of A in the solution?
It halves.
It remains the same.
It doubles.
It quadruples.
An ideal solution is formed when two liquids A and B are mixed. Which of the following is NOT a characteristic of this ideal solution?
The partial pressure of A follows Raoult's Law.
The interaction between A and B molecules is stronger than the interactions between A-A and B-B molecules.
A binary solution of liquids A and B deviates positively from Raoult's law. Which of the following statements is NOT true for this solution?
The total vapour pressure of the solution is greater than the ideal vapour pressure.
The intermolecular forces between A-A and B-B are stronger than those between A-B.
The enthalpy of mixing () is positive.
The volume of mixing () is positive.
An example of a solution having liquid in gas is:
Moist air
Dry air
Au-Hg