Interpretation:
The nature of colligative properties of solutions have to be described.
Concept introduction:
Colligative properties are those properties of solutions, which entirely depend upon the number of solute particles (molecules or ions) dissolved in a known volume of solvent, but not at all on the nature (i.e., chemical composition or constitution) of those solute particles. Here the solute is invariably taken as non-volatile. There are four colligative properties, which are:
- Lowering of vapor pressure
- Osmotic pressure
- Elevation of boiling point
- Depression of freezing point
The colligative properties are essentially the properties of only dilute solution which are supposed to behave as ideal solution.
Answer to Problem 48SSC
Colligative properties depend on the number of solute particles in a solution. The solution must be very dilute. The solute must be non-volatile and the solute must be non-electrolyte, i.e., the solute does not undergo any type of dissociation or association.
Colligative properties are entirely depend upon the number of solute particles. These four colligative properties lowering of vapor pressure, osmotic pressure, elevation of boiling point and depression of freezing point are valid under the following conditions:
- The solution must be very dilute.
- The solute must be non-volatile
- The solute must be non-electrolyte, i.e., the solute does not undergo any type of dissociation or association.
Explanation of Solution
Colligative properties are entirely depend upon the number of solute particles. These four colligative properties lowering of vapor pressure, osmotic pressure, elevation of boiling point and depression of freezing point are valid under the following conditions:
- The solution must be very dilute.
- The solute must be non-volatile
- The solute must be non-electrolyte, i.e., the solute does not undergo any type of dissociation or association.
Chapter 14 Solutions
Chemistry: Matter and Change
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