Solutions
1.0 Solution
2.0 Methods of expressing concentration of a Solution
3.0 Solubility
4.0 Henry's law
5.0 Raoult's law
6.0 Azotropes
7.0 Colligative Properties
7.1 Relative lowering of vapour pressure
7.2 Elevation in Boiling point
7.3 Depression of Freezing point
7.4 Osmosis and Osmotic pressure
8.0 Abnormal Colligative Properties
5.2 Ideal Solution
7.2 Elevation in Boiling point
7.3 Depression of Freezing point
7.4 Osmosis and Osmotic pressure
It is solution which obeys Raoult's law at all temperature. It means vapour pressure calculated by Raoult's law equals vapour pressure founded practically.
- If two components $A$ and $B$ are mixed then force of attraction between pure $A's$ molecules$(A-A)$ is equal to force of attraction between pure $B$ molecules$(B-B)$ and these both are equal to force of attraction between the molecules of mixture formed$(A-B)$.
- For a Ideal solution, $\Delta {H_{mix}} = 0$ and $\Delta {V_{mix}} = 0$, it means there is no change in enthalpy on mixing and there is no change in volume( ${V_{solvent}} + {V_{solute}} = {V_{solution}}$).
- $A-A = B-B = A-B$(Where $A-A$ represent force of attraction between two $A$ molecules).
- Example of ideal solution: $n$-Hexane $+$ $n$-Haptane, bromoethene $+$ chloroethene, benzene $+$ toluene.
