Interpretation : The three colligative properties are to be identified and the reason for their occurrence is to be explained.
Concept Introduction : Colligative properties are the properties of a solution that depends on the number of solute.
Explanation of Solution
Colligative properties are the properties of a solution that depends on the concentration of the solute and temperature only.
The three colligative properties are:
- Elevation in Boiling point
- Depression in freezing point
- Relative lowering of vapor pressure
Colligative properties are the properties of a solution that depends on the number of solute and temperature only.
The three colligative properties are:
- Elevation in Boiling point: The elevation in the boiling point of a solution is a colligative property in which, on the addition of a non-volatile solute to a volatile solvent the boiling point of the solution increases as, it represents the temperature at which the vapor pressure of the solution is equal to the atmospheric pressure.
The expression for elevation in boiling point is as follows:
Here,
Depression in freezing point: The depression in the freezing point of a solution is a colligative property in which, on the addition of a non-volatile solute to a volatile solvent the freezing of the solution decreases.
The expression for depression in the freezing point is as follows:
Here,
Relative lowering of vapor pressure: The vapor pressure of the volatile solvents gets reduced or lowered with the addition of a non-volatile solute.
The expression for the relative lowering of vapor pressure is as follows:
Here,
Colligative properties are the properties of a solution that depends on the concentration of the solute and temperature only.
The three colligative properties are:
- Elevation in Boiling point
- Depression in freezing point
- Relative lowering of vapor pressure
Chapter 16 Solutions
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