Ideal Solutions
Trending Questions
Q.
An ideal solution is that which:
- Has no connection with Raoult's law
- Shows positive deviation from Raoult's law
- Shows negative deviation from Raoult's law
- Obeys Raoult's law
Q.
Which property is shown by an ideal solution?
- It follows Raoult's law
- All of these
Q. The total vapour pressure of an ideal solution obtained by mixing 4 mol of A and 6 mol of B at 25∘C, is 210 torr. What is the vapour pressure (in torr) of pure B at the same temperature?
(Given, Vapour pressure of pure A at 25∘C is 250 torr)
(Given, Vapour pressure of pure A at 25∘C is 250 torr)
- 190.1
- 174.5
- 183.3
- 160
Q.
Which one of the following is non-ideal solution?
- n-hexane + n-heptane
- Benzene + toluene
- Ethyl bromide + ethyl iodide
- CCl4+CHCl3
Q.
An example of near ideal solution is
- n-heptane and n-hexane
Q.
If we mix two liquids and heat is released then
- None of these
- ΔHmix>0
- ΔHmix<0
- ΔHmix=0
Q. For ideal liquid- liquid solution.
- Intermolecular forces(IMF) of solvent> IMF of solute
- Intermolecular forces of solvent< IMF of solute
- Intermolecular forces between solute and solvent = 0
- Intermolecular forces of solvent = IMF of solute
Q. What are the conditions for an ideal solution?
- ΔVmix=0
- ΔVmix≠0
- ΔHmix=0
- ΔUmix=0
Q. A & B are two liquids mixed together. In solution A - B attractive forces are weaker than A-A & B-B attractive forces.
- True
- False
- \N
- \N
Q.
When 5.85 g of NaCl and 6 g of urea are dissolved in 1000 g of water, the freezing point gets depressed by Kf for water is 1.86
0.186
1.86
0.558
0.372